SPECIALIZED METAL PRODUCT CATALOG 800.711.4939 • [email protected] SAFETY GRATING

BAR GRATING

PERFORATED METAL

EXPANDED METAL

FIBERGLASS GRATING

WIRE CLOTH

ISO 9001:2008 Certified

Table of Contents SAFETY GRATING Grip Strut - Regular..................................................... 1-4 Grip Strut - Walkway...................................................... 5 Grip Strut - Heavy Duty............................................... 5-7 Traction Tread - Sheets, Planks & Ladder Rungs......... 8 Grip Strut - Stair Treads................................................. 9 Grate-Lock................................................................... 10 Perf-O Grip................................................................... 11

PERFORATED METAL Types of Perforations.................................................... 12 Available Tooling with Open Area %........................ 13-14 Rounds.......................................................................... 15 Formula & Applications................................................. 16

BAR GRATING Glossary & Terminology................................................ 17 Aluminum Products.................................................. 18-21 TiteWeld........................................................................ 22 Other Welded Grating.............................................. 23-29 Stair Treads .................................................................. 30 Anchoring Devices ....................................................... 31

FIBERGLASS Applications .................................................................. 32 Grating Products........................................................... 33 Resin Systems & Molded Details............................. 34-35 Pultruded Features & Details................................... 36-37 Pultruded T Pedestrian Series Grating Details.............. 38 Molded Heavy Duty Grating Details.............................. 39 Pultruded Resin Systems, Colors & Clip Assemblies.... 40

EXPANDED METAL Manufacturing Processes & Shearing........................... 41 Regular Expanded Metal & U-Edging........................... 42 Flattened Expanded Metal & Grating............................ 43

WIRE CLOTH Terminology........................................................... ........44 Stainless Steel Filters............................................ ........45 PVC Wire Mesh............................................................. 46 Wire Cloth Specifications & Standards..................... 47-51

WE’LL CUT ANYTHING IN OUR INVENTORY TO YOUR SPECS! ISO 9001:2008 Certified “We manufacture to ASTM Standards.”

Direct Metals Company, LLC CORPORATE HEADQUARTERS 3775 Cobb International Blvd Kennesaw, GA 30152-4390 Phone: (770) 528-9001 Fax: (770) 528-9002 CHICAGO OFFICE 3380 Grand Avenue Waukegan, IL 60085 Phone: (847) 599-0233 Fax: (847) 599-0244 [email protected] www.directmetals.com

800.711.4939 Disclaimer: Information of a technical nature contained herein is intended only for evaluation by technically skilled persons, with any use thereof to be at their independent discretion and risk. Such information is reliable when evaluated in the proper manner under conditions as described herein. Direct Metals shall have no responsibility or liability for results obtained or damages resulting from improper evaluation or use. Please note that application photos reflected are typical of our types of products in use that can be supplied or have been supplied by DIRECT METALS. Some photos may depict uses designed, manufactured, fabricated or installed by others.

SAFETY GRATING Direct Metals — Your Safety Grating Source featuring Grip Strut®

Every year industrial accidents, falls, tripping over debris, slipping on wet or greasy surfaces cost millions of dollars in lost man hours and production. By reducing accidents, insurance costs can frequently be decreased. GRIP STRUT Safety Grating helps reduce accident rates by providing a safer walking-working surface than any other available grating product. It’s serrated surface gives maximum slip protection and performance under practically all conditions and in every direction. The serrated surface is designed in an open diamond pattern. This allows drainage of fluids, mud, chips and other accident-causing debris. With 4-1/2" high side channels, GRIP STRUT Safety Grating Walkways meet OSHA requirements for toeboards on elevated structures.

General Load Information How to read load tables To select size of GRIP STRUT Safety Grating, determine load, clear span and deflection requirements and select from the load tables the appropriate plank to meet your job requirements.

Allowable Uniform Load (U) Values indicated in the rows adjacent to “U” are the lowest of the (1) maximum allowable uniform loads considering channel flexure and (2) maximum grating surface flexure.

Fast Installation Light, easy-to-handle planks make installation simpler and quicker. They can be handled by one man. Most sections are rapidly bolted, clamped or welded into place, easily field-cut at virtually any angle or fabricated to adapt to field conditions. Several attachment devices permit fastening to most existing surfaces; allowing for fast installation or disassembly.

Non-serrated Grip Strut Grating For all-purpose use where a high degree of slip resistance is required with a

Standard Grip Strut Grating Planks Available in materials and sized to meet most load/span requirements. May be used as is or banded, cut, welded or punched to suit your requirements.

EXAMPLE: Clear span of 4'-0" concentrated load requirement of 300 lb. at 0.25" max. deflection.

Safer, Serrated Surface The serrated surface grips soles securely in all directions, in practically every place. These non-slip GRIP STRUT Grating surfaces are ideal for inside or outside locations where mud, ice, snow, oil and detergents can create hazardous walking conditions. Openings are small enough to catch most falling tools and other dangerous objects.

Serrated Grip Strut Grating Offers excellent slip resistance wherever maximum safety underfoot is essential. Material meets anti-slip values set forth in Federal Specification RR-G-1602A.

smoother texture and design. Product availability is subject to extended lead time.

Deflection Corresponding to “U” Deflection values are indicated below the uniform loads and are the mid-span side channel deflections for the planks carrying the allowable uniform loads (Figure 3). Allowable Concentrated Load (C) Values indicated in the rows labeled “C” are the lowest of the (1) maximum allowable concentrated load considering channel flexure (Figure 2), with both channels effective and (2) the maximum allowable strut load (Cs) for a 1-ft. long sample (Figure 1). Deflection Corresponding to “C” Deflection values indicated below “C” values in the tables are the mid-span, side channel deflections produced when the allowable concentrated load is placed at mid-span.

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SAFETY GRATING 2-Diamond Plank - 4-3/4" Width

Available in Galvanized, Carbon Steel, Aluminum and Stainless Steel

PRODUCT SELECTION/DESIGN TABLES 2

Allowable Loads and Deflections: U—uniform load (lb./ft ) C—concentrated load (lb.) D—deflection (in.) Spans to the left of heavy line produce a deflection of 1/4" or less under a uniform load of 100 lb./ft.2 Weights Span Channel lbs./lin Material Depth ft. 12'0" Gauge in. (mm) (kg/m) 2'0" 2'6" 3'0" 3'6" 4'0" 4'6" 5'0" 5'6" 6'0" 6'6" 7'0" 7'6" 8'0" 9'0" 10'0" 11'0"

U 1324 849 591 435 334 265 215 179 151 D .06 .10 .14 .20 .26 .32 .40 .49 .58 1-1/2 2.3 (38.1) (3.42) C 524 420 351 301 265 236 213 195 179 D .05 .08 .11 .16 .20 .26 .32 .39 .47 U 2198 1409 980 721 553 438 356 295 248 STEEL 2 2.6 D .06 .09 .13 .17 .23 .29 .35 .43 .51 .60 .70 .81 .92 1.18 1.47 14 ga. (50.8) (3.87) C 870 697 582 499 438 390 352 321 295 273 255 239 225 201 183 D .04 .07 .10 .14 .18 .23 .28 .34 .41 .48 .56 .65 .74 .94 1.18 U 2522 1616 1124 827 634 502 408 338 285 244 211 184 163 130 106 88 75 2-1/2 2.8 D .04 .06 .08 .11 .14 .18 .23 .27 .33 .38 .45 .51 .59 .75 .94 1.14 1.38 (63.5) (4.17) C 998 800 667 573 502 447 404 368 338 313 292 273 257 231 210 193 178 D .03 .04 .06 .09 .11 .15 .18 .22 .26 .31 .36 .41 .47 .60 .75 .92 1.10 U 1751 1123 782 576 443 351 286 237 200 172 149 131 116 1-1/2 3.2 D .07 .11 .15 .21 .27 .35 .43 .52 .62 .74 .86 .99 1.14 (38.1) (4.76) C 693 556 464 399 350 313 283 258 238 221 206 194 183 D .05 .08 .12 .17 .22 .28 .34 .42 .50 .59 .69 .79 .91 U 2792 1790 1245 917 703 557 453 375 317 271 235 205 181 145 119 99 85 STEEL 2 3.6 D .05 .08 .11 .16 .20 .26 .32 .39 .46 .55 .64 .73 .84 1.07 1.34 1.64 1.98 12 ga. (50.8) (5.36) C 1105 886 739 635 557 496 448 409 376 348 325 305 287 258 235 216 201 D .04 .06 .09 .12 .16 .21 .26 .31 .37 .44 .51 .59 .67 .86 1.07 1.31 1.58 U 4179 2676 1860 1368 1049 830 673 557 469 400 346 302 266 211 172 143 121 2-1/2 4.0 D .04 .06 .09 .13 .17 .21 .26 .32 .38 .44 .51 .59 .67 .86 1.07 1.30 1.55 (63.5) (5.95) C 1654 1324 1104 948 830 739 666 606 557 515 479 448 421 376 341 312 288 D .03 .05 .07 .10 .13 .17 .21 .25 .30 .35 .41 .47 .54 .69 .85 1.04 1.24

3-Diamond Plank - 7" Width

Available in Galvanized, Carbon Steel, Aluminum and Stainless Steel

PRODUCT SELECTION/DESIGN TABLES 2

Allowable Loads and Deflections: U—uniform load (lb./ft ) C—concentrated load (lb.) D—deflection (in.) Spans to the left of heavy line produce a deflection of 1/4" or less under a uniform load of 100 lb./ft.2 Weights Span Channel lbs./lin Material Depth ft. 12'0" Gauge in. (mm) (kg/m) 2'0" 2'6" 3'0" 3'6" 4'0" 4'6" 5'0" 5'6" 6'0" 6'6" 7'0" 7'6" 8'0" 9'0" 10'0" 11'0" U 899 577 402 269 227 180 147 122 103 1-1/2 3.0 D .06 .10 .14 .20 .26 .33 .40 .49 .59 (38.1) (4.46) C 524 421 351 302 265 237 214 196 180 D .05 .08 .11 .16 .21 .26 .32 .39 .47 U 1492 957 665 490 376 298 242 201 169 145 125 110 97 77 63 STEEL 2 3.2 D .06 .09 .13 .17 .23 .29 .35 .43 .51 .61 .71 .81 .93 1.19 1.49 14 ga. (50.8) (4.76) C 871 697 582 500 439 391 353 322 296 275 256 240 226 203 185 D .04 .07 .10 .14 .18 .23 .28 .34 .41 .48 .56 .65 .74 .95 1.19 U 1712 1097 763 562 431 342 277 230 194 166 144 126 111 89 73 61 52 2-1/2 3.5 D .04 .06 .08 .11 .14 .18 .23 .27 .33 .39 .45 .52 .59 .76 .94 1.16 1.40 (63.5) (5.21) C 999 800 668 574 503 448 405 369 340 315 293 275 259 233 212 195 181 D .03 .04 .06 .09 .11 .15 .18 .22 .26 .31 .36 .41 .47 .61 .76 .93 1.12 U 1189 763 532 392 301 239 195 162 137 118 102 90 79 1-1/2 4.1 D .07 .11 .15 .21 .27 .35 .43 .52 .63 .74 .87 1.00 1.15 (38.1) (6.10) C 694 556 465 400 352 314 284 260 240 223 208 196 185 D .05 .08 .12 .17 .22 .28 .34 .42 .50 .59 .69 .80 .92 U 1896 1216 846 623 478 379 308 256 216 185 160 140 124 99 82 68 58 2 4.5 D .05 .08 .11 .16 .20 .26 .32 .39 .47 .55 .64 .74 .85 1.08 1.36 1.67 2.01 (50.8) (6.70) C 1106 886 740 636 558 498 450 410 378 350 327 307 289 260 238 219 203 D .04 .06 .09 .12 .16 .21 .26 .31 .37 .44 .51 .59 .68 .87 1.09 1.33 1.61 U 2836 1817 1263 929 712 564 457 379 319 272 235 206 181 144 118 98 83 STEEL 2-1/2 4.9 D .04 .06 .09 .13 .17 .21 .26 .32 .38 .44 .52 .59 .68 .86 1.07 1.31 1.57 12 ga. (63.5) (7.29) C 1654 1325 1105 948 831 740 667 608 558 516 481 450 423 378 343 314 290 D .03 .05 .07 .10 .13 .17 .21 .25 .30 .35 .41 .47 .54 .69 .86 1.05 1.25 U 3587 2298 1597 1174 900 712 578 478 403 344 297 259 228 181 148 123 104 3 5.2 D .04 .06 .08 .11 .14 .18 .22 .27 .32 .38 .44 .51 .58 .74 .92 1.12 1.34 (76.2) (7.74) C 1868 1675 1397 1199 1050 935 843 767 705 652 606 567 533 476 431 395 364 D .03 .04 .06 .09 .11 .14 .18 .22 .26 .30 .35 .41 .46 .59 .73 .89 1.07

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SAFETY GRATING 4-Diamond Plank - 9-1/2" Width

Available in Galvanized, Carbon Steel, Aluminum and Stainless Steel

PRODUCT SELECTION/DESIGN TABLES 2

Allowable Loads and Deflections: U—uniform load (lb./ft ) C—concentrated load (lb.) D—deflection (in.) Spans to the left of heavy line produce a deflection of 1/4" or less under a uniform load of 100 lb./ft.2 Weights Span Channel lbs./lin Material Depth ft. 12'0" Gauge in. (mm) (kg/m) 2'0" 2'6" 3'0" 3'6" 4'0" 4'6" 5'0" 5'6" 6'0" 6'6" 7'0" 7'6" 8'0" 9'0" 10'0" 11'0"

U 663 426 296 219 168 134 109 90 77 1-1/2 3.6 D .06 .10 .14 .20 .26 .33 .41 .50 .59 (38.1) (5.36) C 525 421 352 303 266 238 215 197 182 D .05 .08 .11 .16 .21 .26 .33 .40 .47 U 1100 705 491 362 278 220 179 148 125 107 93 81 72 58 47 STEEL 2 3.8 D .06 .09 .13 .17 .23 .29 .36 .43 .52 .61 .71 .82 .94 1.20 1.51 14 ga. (50.8) (5.65) C 730 698 583 501 440 392 354 323 298 276 258 242 228 205 187 D .04 .07 .10 .14 .18 .23 .28 .35 .41 .49 .57 .66 .75 .96 1.20 U 1262 809 563 415 318 252 205 170 144 123 106 93 82 66 54 45 2-1/2 4.1 D .04 .06 .08 .11 .14 .18 .23 .28 .33 .39 .45 .52 .60 .76 .95 1.17 (63.5) (6.10) C 730 730 669 574 504 449 406 370 341 316 295 277 261 235 214 197 D .02 .04 .06 .09 .12 .15 .18 .22 .26 .31 .36 .42 .48 .61 .76 .94 U 906 581 405 298 229 182 148 123 104 89 77 67 60 1-1/2 5.0 D .07 .11 .16 .21 .28 .36 .44 .54 .64 .76 .89 1.02 1.17 (38.1) (7.44) C 718 575 481 413 363 324 292 267 246 228 213 200 189 D .06 .09 .13 .17 .23 .29 .35 .43 .52 .61 .71 .82 .94 U 1398 896 624 460 353 280 228 189 160 137 119 104 92 74 61 51 43 2 5.4 D .05 .08 .11 .16 .20 .26 .32 .39 .47 .55 .65 .75 .85 1.10 1.38 1.69 2.03 STEEL (50.8) (8.04) C 1107 887 741 637 559 499 451 412 380 353 329 309 292 264 241 222 206 12 ga. D .04 .06 .09 .12 .16 .21 .26 .31 .37 .44 .52 .60 .68 .88 1.10 1.35 1.63 U 2090 1339 931 685 525 416 338 280 236 201 174 152 134 107 87 73 62 2-1/2 5.7 D .04 .06 .09 .13 .17 .21 .26 .32 .38 .44 .52 .60 .68 .87 1.08 1.32 1.58 (63.5) (8.48) C 1400 1325 1106 949 832 741 668 609 559 518 482 452 425 380 345 316 293 D .03 .05 .07 .10 .13 .17 .21 .25 .30 .36 .41 .48 .54 .69 .86 1.05 1.27 U 2644 1694 1177 866 664 525 426 353 297 254 219 192 169 134 110 91 77 3 6.1 D .04 .06 .08 .11 .14 .18 .22 .27 .32 .38 .44 .51 .58 .74 .92 1.12 1.35

5-Diamond Plank - 11-3/4" Width

Available in Galvanized, Carbon Steel, Aluminum and Stainless Steel

PRODUCT SELECTION/DESIGN TABLES 2

Allowable Loads and Deflections: U—uniform load (lb./ft ) C—concentrated load (lb.) D—deflection (in.) Spans to the left of heavy line produce a deflection of 1/4" or less under a uniform load of 100 lb./ft.2 Weights Span Channel lbs./lin Material Depth ft. 12'0" Gauge in. (mm) (kg/m) 2'0" 2'6" 3'0" 3'6" 4'0" 4'6" 5’'0" 5'6" 6'0" 6'6" 7'0" 7'6" 8'0" 9'0" 10'0" 11'0" U 536 344 240 177 136 108 88 74 62 1-1/2 4.2 D .06 .10 .14 .20 .26 .33 .41 .50 .60 (38.1) (6.25) C 525 422 353 304 267 239 216 198 183 D .05 .08 .12 .16 .21 .26 .33 .40 .48 U 890 571 397 293 225 178 145 120 102 87 76 66 59 47 STEEL 2 4.4 D .06 .09 .13 .17 .23 .29 .36 .43 .52 .61 .71 .83 .95 1.21 14 ga. (50.8) (6.55) C 707 699 584 502 440 393 355 324 299 277 259 243 230 207 D .04 .07 .10 .14 .18 .23 .29 .35 .42 .49 .57 .66 .76 .97 U 1021 655 456 336 258 204 166 138 116 100 86 76 67 54 44 2-1/2 4.7 D .04 .06 .08 .11 .14 .18 .23 .28 .33 .39 .45 .52 .60 .77 .96 (63.5) (6.99) C 707 707 669 575 505 450 407 371 342 317 296 278 262 236 216 D .02 .04 .06 .09 .12 .15 .18 .22 .26 .31 .36 .42 .48 .62 .77 U 710 456 318 235 181 144 117 98 83 71 62 55 49 1-1/2 5.9 D .07 .11 .15 .21 .28 .35 .44 .53 .64 .76 .89 1.03 1.18 (38.1) (8.78) C 695 558 467 402 354 317 287 263 244 227 213 201 190 D .05 .08 .12 .17 .22 .28 .35 .43 .51 .60 .71 .82 .95 U 1131 725 505 372 286 227 185 154 130 111 97 85 75 60 50 42 2 6.2 D .05 .08 .11 .16 .20 .26 .32 .39 .47 .56 .65 .75 .86 1.11 1.39 1.70 (50.8) (9.23) C 1107 888 742 638 561 501 453 414 382 355 332 312 295 266 243 224 D .04 .06 .09 .12 .16 .21 .26 .31 .38 .44 .52 .60 .69 .89 1.11 1.36 U 1691 1083 753 554 425 337 273 226 151 141 123 109 87 71 59 59 50 STEEL 2-1/2 6.6 D .04 .06 .09 .13 .17 .21 .26 .32 .38 .45 .52 .60 .68 .87 1.09 1.33 1.60 12 ga. (63.5) (9.82) C 1115 1115 1106 950 833 742 669 610 561 519 484 453 426 382 347 319 295 D .02 .04 .07 .10 .13 .17 .21 .25 .30 .36 .41 .48 .55 .70 .87 1.06 1.28 U 2138 1370 952 701 537 425 345 286 241 206 178 155 137 109 89 74 63 3 7.0 D .04 .06 .08 .11 .14 .18 .22 .27 .32 .38 .44 .51 .58 .74 .93 1.13 1.36 (76.2) (10.4) C 1115 1115 1115 1115 1052 937 845 770 707 654 609 570 537 480 436 399 369 D .02 .03 .05 .08 .11 .15 .18 .22 .26 .31 .36 .41 .47 .60 .74 .90 10.9

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SAFETY GRATING 8-Diamond Plank - 18-3/4" Width

Available in Galvanized, Carbon Steel and Aluminum

PRODUCT SELECTION/DESIGN TABLES 2

Allowable Loads and Deflections: U—uniform load (lb./ft ) C—concentrated load (lb.) D—deflection (in.) Spans to the left of heavy line produce a deflection of 1/4" or less under a uniform load of 100 lb./ft.2 Weights Span Channel lbs./lin Material Depth ft. Gauge in. (mm) (kg/m) 2'0" 2'6" 3'0" 3'6" 4'0" 4'6" 5'0" 5'6" 6'0" 6'6" 7'0" 7'6" 8'0" 9'0" 10'0" 11'0" 12'0" U 337 217 151 112 86 69 56 47 1-1/2 6.1 D 0.33 0.27 0.26 0.29 0.33 0.38 0.45 0.55 (38.1) (9.1) C 263 211 178 153 135 121 110 101 D 0.16 0.15 0.15 0.16 0.17 0.19 0.22 0.25 U 540 358 250 184 142 113 92 76 65 55 48 42 STEEL 2 6.3 D 0.48 0.37 0.34 0.32 0.34 0.38 0.43 0.50 0.58 0.66 0.77 0.87 14 ga. (50.8) (9.4) C 437 349 292 251 220 198 179 164 152 141 132 124 D 0.24 0.21 0.20 0.19 0.20 0.21 0.23 0.26 0.29 0.32 0.36 0.40 U 540 411 286 211 162 129 105 87 74 63 55 48 43 2-1/2 6.6 D 0.46 0.39 0.35 0.28 0.27 0.28 0.31 0.35 0.39 0.44 0.50 0.57 0.64 (63.5) (9.8) C 450 402 335 287 252 225 205 188 173 161 151 142 134 D 0.24 0.22 0.20 0.19 0.19 0.19 0.20 0.21 0.23 0.24 0.27 0.29 0.32 U 446 287 201 148 115 91 75 63 53 46 40 1-1/2 8.5 D 0.27 0.22 0.22 0.26 0.32 0.39 0.47 0.56 0.67 0.80 0.92 (38.1) (12.6) C 359 280 235 203 179 161 146 135 125 117 110 D 0.12 0.12 0.12 0.14 0.16 0.19 0.22 0.26 0.30 0.35 0.40 U 710 456 318 235 181 144 117 98 83 71 62 54 48 2 8.9 D 0.31 0.25 0.23 0.25 0.28 0.31 0.37 0.44 0.51 0.60 0.68 0.79 0.90 STEEL (50.8) (13.2) C 554 444 371 319 282 253 229 210 194 181 169 160 151 12 ga. D 0.17 0.15 0.14 0.15 0.16 0.17 0.19 0.22 0.25 0.28 0.32 0.36 0.40 U 810 680 473 348 267 212 172 143 120 103 89 78 69 55 45 2-1/2 9.2 D 0.33 0.31 0.27 0.26 0.27 0.29 0.32 0.37 0.42 0.49 0.55 0.63 0.72 0.90 1.12 (63.5) (13.7) C 800 663 553 475 416 371 334 307 282 262 244 229 216 194 177 D 0.23 0.20 0.18 0.18 0.18 0.18 0.19 0.21 0.23 0.25 0.28 0.31 0.34 0.41 0.50 U 810 810 598 440 337 267 217 180 152 130 112 98 87 69 57 47 40 3 9.6 D 0.32 0.35 0.30 0.27 0.26 0.28 0.31 0.34 0.39 0.43 0.49 0.56 0.62 0.78 0.96 1.17 1.40 (76.2) (14.3) C 800 800 699 600 526 468 422 385 353 327 307 288 271 243 221 203 189 D 0.22 0.23 0.22 0.20 0.20 0.20 0.20 0.21 0.22 0.24 0.26 0.28 0.31 0.37 0.44 0.52 0.61

10-Diamond Plank - 24" Width

Available in Galvanized and Carbon Steel

PRODUCT SELECTION/DESIGN TABLES 2

Allowable Loads and Deflections: U—uniform load (lb./ft ) C—concentrated load (lb.) D—deflection (in.) Spans to the left of heavy line produce a deflection of 1/4" or less under a uniform load of 100 lb./ft.2 Weights Span Channel lbs./lin Material Depth ft. Gauge in. (mm) (kg/m) 2'0" 2'6" 3'0" 3'6" 4'0" 4'6" 5'0" 5'6" 6'0" 6'6" 7'0" 7'6" 8'0" 9'0" 10'0" 11'0" 12'0" U 300 300 228 168 128 102 82 68 57 49 42 2 7.4 D 0.46 0.48 0.42 0.38 0.38 0.41 0.44 0.49 0.55 0.62 0.70 (50.8) (11.0) C 400 400 343 294 257 229 206 187 172 158 147 STEEL D 0.34 0.35 0.32 0.30 0.29 0.29 0.30 0.31 0.33 0.35 0.37 14 ga. U 300 300 300 264 202 160 130 107 90 77 66 58 51 40 3 7.9 D 0.42 0.43 0.46 0.44 0.39 0.36 0.35 0.36 0.39 0.44 0.45 0.49 0.54 0.65 (76.2) (11.8) C 400 400 400 400 400 360 324 295 270 249 232 216 203 180 D 0.33 0.33 0.34 0.35 0.37 0.35 0.33 0.33 0.32 0.32 0.33 0.34 0.35 0.38 U 475 416 289 212 162 128 104 86 72 62 53 46 2 10.4 D 0.40 0.39 0.33 0.31 0.31 0.34 0.38 0.44 0.48 0.56 0.63 0.71 (50.8) (15.5) C 650 520 434 372 325 289 260 237 217 200 186 174 STEEL D 0.26 0.22 0.19 0.20 0.20 0.21 0.22 0.23 0.25 0.28 0.31 0.34 12 ga. U 475 475 475 392 300 237 192 159 133 114 98 85 75 59 48 3 11.1 D 0.38 0.39 0.42 0.38 0.36 0.34 0.35 0.37 0.39 0.43 0.47 0.52 0.58 0.70 0.85 (76.2) (16.5) C 900 900 800 686 600 534 480 437 400 369 343 320 300 267 240 D 0.34 0.35 0.33 0.29 0.27 0.26 0.26 0.26 0.26 0.27 0.29 0.30 0.32 0.36 0.41

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SAFETY GRATING 10-Diamond Walkway - 24" Width

Available in Galvanized and Carbon Steel

PRODUCT SELECTION/DESIGN TABLES 2

Allowable Loads and Deflections: U—uniform load (lb./ft ) C—concentrated load (lb.) D—deflection (in.) Spans to the left of heavy line produce a deflection of 1/4" or less under a uniform load of 100 lb./ft.2 Material Weights Clear Span Gauge lbs/lin.ft. (kg/m) 2'0" 2'6" 3'0" 3'6" 4'0" 4'6" 5'0" 5'6" 6'0" 6'6" 7'0" 7'6" 8'0" 9'0" 10'0" 11'0" 12'0" U 300 300 300 300 300 263 213 176 148 126 109 95 83 66 53 43 STEEL 8.9 D 0.41 0.41 0.42 0.45 0.48 0.47 0.42 0.40 0.40 0.41 0.43 0.45 0.47 0.55 0.64 0.75 14 ga. (13.2) C 400 400 400 400 400 400 400 400 400 400 380 355 333 296 266 242 D 0.32 0.33 0.33 0.33 0.34 0.35 0.36 0.38 0.39 0.41 0.42 0.41 0.41 0.42 0.44 0.47 U 475 475 475 475 475 420 340 281 236 201 173 151 133 105 85 70 59 STEEL 12.5 D .037 .037 .038 0.40 0.43 0.43 0.39 0.37 0.37 0.37 0.39 0.41 0.44 0.51 0.59 0.69 0.80 12 ga. (18.6) C 900 900 900 900 900 900 850 773 709 654 607 567 531 472 425 387 354 D 0.34 0.34 0.35 0.35 0.36 0.37 0.37 0.35 0.34 0.33 0.33 0.33 0.33 0.35 0.37 0.40 0.44

Available in Aluminum, Galvanized and Carbon Steel

Heavy Duty Series 2-Diamond Plank - 9-1/4" Width

H-SERIES-Heavy Duty GRIP STRUT®

PLANK SELECTION & DESIGN LOADS/DEFLECTIONS Plank Clear Span Channel Material Depth Weights Gauge in. (mm) lbs./ft. 2'0" 2'6" 3'0" 3'6" 4'0" 4'6" 5'0" 5'6" 6'0" 6'6" 7'0" 7'6" 8'0" 9'0" 10'0" 11'0" 12'"

U 2681 1716 1141 876 699 529 428 354 300 253 218 191 167 132 109 90 74 2 7.4 D 0.05 0.08 0.11 0.15 0.19 0.24 0.30 0.35 0.41 0.47 0.54 0.62 0.69 0.85 1.04 1.24 1.45 C 2067 1653 1378 1181 1033 919 827 752 689 636 590 551 517 459 413 376 344 D 0.04 0.06 0.09 0.12 0.15 0.19 0.24 0.28 0.33 0.38 0.44 0.49 0.55 0.68 0.81 0.98 1.16 U 4063 2600 1806 1327 1016 802 650 537 451 385 331 288 253 202 163 136 113 2-1/2 7.9 D 0.05 0.07 0.10 0.14 0.18 0.23 0.27 0.32 0.36 0.42 0.49 0.55 0.62 0.79 0.96 1.15 1.35 C 3133 2507 2089 1790 1567 1393 1253 1139 1044 964 895 836 783 696 627 570 522 STEEL D 0.04 0.06 0.08 0.11 0.14 0.18 0.22 0.25 0.29 0.34 0.39 0.44 0.50 0.63 0.76 0.91 1.08 10 ga. U 4324 2767 1923 1413 1082 852 692 572 479 409 354 307 269 214 171 144 121 3 8.4 D 0.04 0.06 0.08 0.11 0.15 0.18 0.22 0.26 0.30 0.34 0.39 0.44 0.48 0.58 0.68 0.80 0.95 C 3333 2667 2222 1905 1667 1481 1311 1212 1111 1026 952 889 833 741 667 606 556 D 0.03 0.05 0.07 0.09 0.12 0.15 0.17 0.21 0.24 0.28 0.31 0.35 0.39 0.47 0.55 0.64 0.76 U 7091 4538 3152 2316 1775 1401 1136 938 786 673 580 506 444 350 284 234 195 4 10.3 D 0.03 0.05 0.07 0.09 0.12 0.14 0.17 0.20 0.23 0.27 0.31 0.35 0.39 0.47 0.56 0.66 0.78 C 5467 4373 3644 3124 2733 2430 2187 1988 1822 1682 1562 1458 1367 1215 1039 994 911 D 0.03 0.04 0.06 0.07 0.09 0.11 0.14 0.16 0.19 0.22 0.25 0.28 0.31 0.38 0.45 0.53 0.63

Gratings for greater loads, safer walking

• High strength-to-weight ratio - efficient structural design means large load capacity with low dead weight • Slip-resist serrated surface - grips shoes tightly (exceeds Federal Spec. RR-G-1602A slip resistance requirements)

• Open design - sheds slip-causing stones, dirt and debris • Slip-resisting serrated or less harsh non- serrated wearing surfaces tailor long life to diverse service conditions • Complete line of products, design data and support services • Handrail brackets available for maximum safety and meets OSHA requirements • Splice plates speed assembly without welding

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5

SAFETY GRATING Heavy Duty Series 3-Diamond Plank - 13-3/4" Width PLANK SELECTION & DESIGN LOADS/DEFLECTIONS Plank Clear Span Channel Material Depth Weights 12'0" Gauge in. (mm) lbs./ft. 2'0" 2'6" 3'0" 3'6" 4'0" 4'6" 5'0" 5'6" 6'0" 6'6" 7'0" 7'6" 8'0" 9'0" 10'0" 11'0"

U 1804 1154 801 589 450 356 288 238 202 170 147 128 113 89 73 60 50 2 9.5 D 0.05 0.08 0.11 0.15 0.19 0.24 0.30 0.35 0.41 0.47 0.54 0.62 0.69 0.85 1.04 1.24 1.45 C 2067 1653 1378 1181 1033 919 827 752 689 636 590 551 517 459 413 376 344 D 0.04 0.06 0.09 0.12 0.15 0.19 0.24 0.28 0.33 0.38 0.44 0.49 0.55 0.68 0.81 0.98 1.16 U 2733 1794 1214 893 683 539 437 361 304 259 223 194 170 136 110 92 76 2-1/2 10.0 D 0.05 0.07 0.10 0.14 0.18 0.23 0.27 0.32 0.36 0.42 0.49 0.55 0.62 0.79 0.96 1.15 1.35 C 3133 2507 2089 1790 1567 1393 1253 1139 1044 964 895 836 783 696 627 570 522 STEEL D 0.04 0.06 0.08 0.11 0.14 0.18 0.22 0.25 0.29 0.34 0.39 0.44 0.50 0.63 0.76 0.91 1.08 10 ga. U 2909 1862 1293 950 728 573 466 385 322 275 238 207 181 144 115 97 81 3 10.5 D 0.04 0.06 0.08 0.11 0.15 0.18 0.22 0.26 0.30 0.34 0.39 0.44 0.48 0.58 0.68 0.80 0.95 C 3333 2667 2222 1905 1667 1481 1311 1212 1111 1026 952 889 833 741 667 606 556 D 0.03 0.05 0.07 0.09 0.12 0.15 0.17 0.21 0.24 0.28 0.31 0.35 0.39 0.47 0.56 0.64 0.76 U 4770 3063 2121 1558 1194 943 765 631 529 453 390 340 298 236 191 157 131 4 11.4 D 0.03 0.05 0.07 0.09 0.12 0.14 0.17 0.20 0.23 0.27 0.31 0.35 0.39 0.47 0.56 0.66 0.78 C 5467 4373 3644 3124 2733 2430 2187 1988 1822 1682 1562 1458 1367 1215 1039 994 911 D 0.03 0.04 0.06 0.07 0.09 0.11 0.14 0.16 0.19 0.22 0.25 0.28 0.31 0.38 0.45 0.53 0.63

Heavy Duty Series 5-Diamond Plank - 23-1/4" Width

Available in Galvanized and Carbon Steel Heavy Duty GRIP STRUT® Safety Grating products offer the advantages of Regular GRIP STRUT® Safety Grating, but are designed for applications of greater load and/or longer span. Basic design is the same but diamond openings are larger and metal is thicker. Heavy-Duty Grating products are available in many of the same configurations, materials and finishes as Regular GRIP STRUT® Grating products and include planks, walkways and stairtreads.

Available in Galvanized, Carbon and 9Ga. Steel

PLANK SELECTION & DESIGN LOADS/DEFLECTIONS

COMING SOON

6

Plank Clear Span Channel Material Depth Weights 12'0" Gauge in. (mm) lbs./ft. 2'0" 2'6" 3'0" 3'6" 4'0" 4'6" 5'0" 5'6" 6'0" 6'6" 7'0" 7'6" 8'0" 9'0" 10'0" 11'0" U 1034 661 459 337 258 204 165 136 116 97 84 73 65 51 42 34 29 2 14.4 D 0.04 0.06 0.08 0.11 0.14 0.18 0.22 0.25 0.29 0.34 0.39 0.44 0.50 0.63 0.76 0.91 1.08 C 2067 1653 1378 1181 1033 919 827 752 689 636 590 551 517 459 413 376 344 D 0.04 0.06 0.09 0.12 0.15 0.19 0.24 0.28 0.33 0.38 0.44 0.49 0.55 0.68 0.81 0.98 1.16 U 1617 1034 718 528 404 319 259 214 180 153 132 115 101 81 65 54 45 2-1/2 14.9 D 0.05 0.07 0.10 0.14 0.18 0.23 0.27 0.32 0.36 0.42 0.49 0.55 0.62 0.79 0.96 1.15 1.35 C 3133 2507 2089 1790 1567 1393 1253 1139 1044 964 895 836 783 696 627 570 522 STEEL D 0.04 0.06 0.08 0.11 0.14 0.18 0.22 0.25 0.29 0.34 0.39 0.44 0.50 0.63 0.76 0.91 1.08 10 ga. U 1720 1101 765 562 430 339 276 228 190 163 141 122 107 85 68 57 48 3 15.4 D 0.04 0.06 0.08 0.11 0.15 0.18 0.22 0.26 0.30 0.34 0.39 0.44 0.48 0.58 0.68 0.80 0.95 C 3333 2667 2222 1905 1667 1481 1311 1212 1111 1026 952 889 833 741 667 606 556 D 0.03 0.05 0.07 0.09 0.12 0.15 0.17 0.21 0.24 0.28 0.31 0.35 0.39 0.47 0.55 0.64 0.76 U 2821 1805 1254 921 706 557 452 373 312 268 231 201 177 139 113 93 77 4 16.4 D 0.03 0.05 0.07 0.09 0.12 0.14 0.17 0.20 0.23 0.27 0.31 0.35 0.39 0.47 0.56 0.66 0.78 C 5467 4373 3644 3124 2733 2430 2187 1988 1822 1682 1562 1458 1367 1215 1039 994 911 D 0.03 0.04 0.06 0.07 0.09 0.11 0.14 0.16 0.19 0.22 0.25 0.28 0.31 0.38 0.45 0.53 0.63

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SAFETY GRATING Heavy Duty Series 6-Diamond Plank - 27-3/4" Width

Available in Galvanized and Carbon Steel

PLANK SELECTION & DESIGN LOADS/DEFLECTIONS Channel Material Depth Gauge in. (mm)

Plank Clear Span Weights lbs./ft. 2'0" 2'6" 3'0" 3'6" 4’0" 4'6" 5'0" 5'6" 6'0" 6'6" 7'0" 7'6" 8'0" 9'0" 10'0" 11'0" 12'0"

2 16.2 2-1/2 16.7 STEEL 10 ga. 3 17.2 4 18.2

U 923 590 410 301 230 182 147 122 103 87 75 66 58 46 37 31 25 D 0.05 0.08 0.11 0.15 0.19 0.24 0.30 0.35 0.41 0.47 0.54 0.62 0.69 0.85 1.04 1.24 1.45 C 2067 1653 1378 1181 1033 919 827 752 689 636 590 551 517 459 413 376 344 D 0.04 0.06 0.09 0.12 0.15 0.19 0.24 0.28 0.33 0.38 0.44 0.49 0.55 0.68 0.81 0.98 1.16 U 1398 894 621 457 349 276 224 185 156 132 114 99 87 70 56 47 39 D 0.05 0.07 0.10 0.14 0.18 0.23 0.27 0.32 0.36 0.42 0.49 0.55 0.62 0.79 0.96 1.15 1.35 C 3133 2507 2089 1790 1567 1393 1253 1139 1044 964 895 836 783 696 627 570 522 D 0.04 0.06 0.08 0.11 0.14 0.18 0.22 0.25 0.29 0.34 0.39 0.44 0.50 0.63 0.76 0.91 1.08 U 1488 952 662 486 372 293 239 197 164 141 122 106 93 74 59 49 42 D 0.04 0.06 0.08 0.11 0.15 0.18 0.22 0.26 0.30 0.34 0.39 0.44 0.48 0.58 0.68 0.80 0.95 C 3333 2667 2222 1905 1667 1481 1311 1212 1111 1026 952 889 833 741 667 606 556 D 0.03 0.05 0.07 0.09 0.12 0.15 0.17 0.21 0.24 0.28 0.31 0.35 0.39 0.47 0.55 0.64 0.76 U 2440 1561 1805 797 611 482 391 323 270 232 200 174 153 120 98 80 67 D 0.03 0.05 0.07 0.09 0.12 0.14 0.17 0.20 0.23 0.27 0.31 0.35 0.39 0.47 0.56 0.66 0.78 C 5467 4373 3644 3124 2733 2430 2187 1988 1822 1682 1562 1458 1367 1215 1039 994 911 D 0.03 0.04 0.06 0.07 0.09 0.11 0.14 0.16 0.19 0.22 0.25 0.28 0.31 0.38 0.45 0.53 0.63

Heavy Duty Series 8-Diamond Plank - 36" Width

Available in Galvanized and Carbon Steel

PLANK SELECTION & DESIGN LOADS/DEFLECTIONS Plank Clear Span Channel Material Depth Weights 12'0" Gauge in. (mm) lbs./ft. 2'0" 2'6" 3'0" 3'6" 4'0" 4'6" 5'0" 5'6" 6'0" 6'6" 7'0" 7'6" 8'0" 9'0" 10'0" 11'0"

2 19.9 2-1/2 20.4 STEEL 10 ga. 3 20.9 4 21.8

U 689 441 306 225 172 136 110 91 77 65 56 49 43 34 28 23 19 D 0.05 0.08 0.11 0.15 0.19 0.24 0.30 0.35 0.41 0.47 0.54 0.62 0.69 0.85 1.04 1.24 1.45 C 2067 1653 1378 1181 1033 919 827 752 689 636 590 551 517 459 413 376 344 D 0.04 0.06 0.09 0.12 0.15 0.19 0.24 0.28 0.33 0.38 0.44 0.49 0.55 0.68 0.81 0.98 1.16 U 1044 668 464 341 261 206 167 138 116 99 85 74 65 52 42 35 29 D 0.05 0.07 0.10 0.14 0.18 0.23 0.27 0.32 0.36 0.42 0.49 0.55 0.62 0.79 0.96 1.15 1.35 C 3133 2507 2089 1790 1567 1393 1253 1139 1044 964 895 836 783 696 627 570 522 D 0.04 0.06 0.08 0.11 0.14 0.18 0.22 0.25 0.29 0.34 0.39 0.44 0.50 0.63 0.76 0.91 1.08 U 1111 711 494 363 278 219 178 147 123 105 91 79 69 55 44 37 31 D 0.04 0.06 0.08 0.11 0.15 0.18 0.22 0.26 0.30 0.34 0.39 0.44 0.48 0.58 0.68 0.80 0.95 C 3333 2667 2222 1905 1667 1481 1311 1212 1111 1026 952 889 833 741 667 606 556 D 0.03 0.05 0.07 0.09 0.12 0.15 0.17 0.21 0.24 0.28 0.31 0.35 0.39 0.47 0.55 0.64 0.76 U 1822 1166 810 595 456 360 292 241 202 173 149 130 114 90 73 60 50 D 0.03 0.05 0.07 0.09 0.12 0.14 0.17 0.20 0.23 0.27 0.31 0.35 0.39 0.47 0.56 0.66 0.78 C 5467 4373 3644 3124 2733 2430 2187 1988 1822 1682 1562 1458 1367 1215 1039 994 911 D 0.03 0.04 0.06 0.07 0.09 0.11 0.14 0.16 0.19 0.22 0.25 0.28 0.31 0.38 0.45 0.53 0.63

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7

SAFETY GRATING Traction Tread TM

TRACTION TREADTM FLOORING

Traction TreadTM Plank

Traction Tread™ Flooring is readily

available in stock sheets designed for secondary fabrication requirements. MATERIAL OPTIONS • Hot rolled, pickled and oiled carbon steel 11-gauge .(5.0 lb / sq. ft.) 13-gauge (3.8 lb / sq. ft.) 16-gauge (2.5 lb / sq. ft.) • Stainless Steel 304 alloy 16-gauge (2.5 lb / sq. ft.) • .125 Aluminum alloy 5052-H32 (1.6 lb / sq. ft.)

Dimple Detail

SHEET SIZE • Standard 36" x 120" • Cut to order

MATERIAL OPTIONS • Hot rolled, pickled and oiled carbon steel 11-gauge and 13-gauge • Pre-galvanized steel: 11-gauge and 13-gauge • .125 Aluminum alloy 5052-H32

TRACTION TREADTM LADDER RUNGS 2-HOLE LADDER RUNG • Hot rolled, pickled and oiled carbon steel 11-gauge (1.5 lb / lf) 13-gauge (1.1 lb / lf) • Aluminum alloy 5052-H32 .125" (0.5 lb / lf) • 1-1/4" Wide x 1-1/2" Height x 48" or 60" Length • Available in 16GA, 304 or 316 Stainless Steel

3-HOLE LADDER RUNG • Hot rolled, pickled and oiled carbon steel 11-gauge (1.2 lb / lf) 13-gauge (0.9 lb / lf) • Aluminum alloy 5052-H32 .125" (0.5 lb / lf) • 1-5/8" Wide x 1-1/8" Height x 48" or 60" Length • Available in 16GA, 304 or 316 Stainless Steel

4-HOLE LADDER RUNG • Hot rolled, pickled and oiled carbon steel 11-gauge (1.9 lb / lf) 13-gauge (1.4 lb / lf) • Aluminum alloy 5052-H32 .125" (0.7 lb / lf) • 2-1/4" Wide x 1-1/2" Height x 48" or 60" Length • Available in 16GA, 304 or 316 Stainless Steel

8

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PLANK DIMENSIONS Carrier plates allow you to create your own custom stair treads. They are sold by the pair. (2 plates = one pair). Product Width

“A” “B” “C” “D”



6-15/16" 1-1/2" 3/4"

4"



9-15/16" 1-1/2" 3/4"

7"



11-15/16" 1-1/2" 3/4"

9"

(176mm) (38mm) (19mm) (102mm) 7" (178mm) 6-15/16" 2" 1" 4" (176mm) (51mm) (25mm) (102mm) (252mm) (38mm) (19mm) (178mm) 10" (254mm) 9-15/16" 2" 1" 7" (252mm) (51mm) (25mm) (178mm) (303mm) (38mm) (19mm) (227mm) 12" (305mm) 11-15/16" 2" 1" 9" (303mm) (51mm) (25mm) (227mm)

ADA Compliant

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SAFETY GRATING Grip Strut® Stair Treads & Ladder Rungs: Available in Aluminum & Stainless Steel



STANDARD

ABRASIVE NOSING

dimensions A, B, C and D have a tolerance of ±1/16"

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9

SAFETY GRATING Grate-Lock™ Grating

for Mezzanine Flooring, Signboard Walkways, Inspection Work Platforms, Trench Covers and Rack Decking

Grate-Lock Non-Slip Grating TM

System Components - Plank Sections

Widths

3", 4"*

6"

9"

12"

Heights 1½"** 2½" 3" 4" Gauges 18 Lengths

16 14

12', 20', 24'

(Other Lengths Available)

*3" and 4" filler plank is solid. FM interlock. **The 1-1/2" product differs in rung detail and loading capabilities.

GRATING MATERIALS TYPE: Grate-Lock Grating METAL: (carbon steel)(G90 Electro-galvanized steel) FINISH: (mill-galvanized before fabrication, ASTM A525) METAL GAUGE: (14-ga. steel) (16-ga. steel) (18-ga. steel) SECTION WIDTH: (12")(9")(6")(3", 4"-supplied by FM flange only) CHANNEL HEIGHT: (1-1/2")(2-1/2")(3")(4") STANDARD LENGTHS: 12', 20', 24' (other lengths to order) FLANGE OPTIONS: (FM)(MM)(FF) SURFACE CONDITION: (MG-traction grip)(MS-smooth)

10

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SAFETY GRATING Perf-O Grip® Channel PRODUCT DESCRIPTION Perf-O Grip® is a one-piece metal planktype grating manufactured by a cold forming process in the shape of a channel. The web of the channel is the walking surface and has large debossed holes, surrounded by smaller embossed traction buttons. MATERIAL SPECIFICATIONS Grating shall be “Perf-O Grip® Channel,” manufactured from (see “Selections” right) and complete with a (1-1/2", 2", 3") side channel depth. FEATURES & BENEFITS 1. Embossed traction buttons provide superior slip resistance in all directions and in all weather conditions. 2. Large debossed holes provide maximum drainage of debris or allow up to 50% free air opening depending on channel width.

SELECTIONS • ASTM-A-526, G-90 (Z-275) Pregalvanized 13 or 11 gauge steel • ASTM-A-569, HRP&O 13 or 11 gauge steel

Channel Width

Return Flange

Hole to Channel Edge

“A”

“B”

“C”

**5"

7/8"

1-21/32"

• 5052H32 Aluminum .125” thick (up to 18” width)



7"

7/8"

1-13/16"



10"

7/8"

1-5/8"

• Type 316L 2B Stainless Steel 14 gauge (up to 12” width)

**12"

7/8"

1-25/32"

**18"

7/8"

1-13/32"

• Type 304 2B Stainless Steel 16 gauge (up to 12” width)



24"

**30"

7/8" 7/8"

1-7/8" 2-11/32"

NOTE: 1. Tolerance on A, B & C dimensions is ± 1/8" 2. Hole pattern shown on diagram is even. Widths indicated with ** have a staggered hole pattern. 3. Outside traction buttons on all widths except 18" & 24" width

3. Self-cleaning due to resilience of walking surface. 4. One-piece metal construction. 5. Light-weight design provides high strength to weight ratio. 6. Long life span requiring little maintenance. 7. Simple and economical installation as planks are self-framing. 8. Adaptable to cost effective custom fabrication. 9. Can be easily formed in standard channel or custom shapes.

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11

PERFORATED METAL Types of Perforations

SQUARE PERFORATIONS-STAGGERED

STANDARD

NON-STANDARD

SQUARE PERFORATIONS-STRAIGHT

ROUND PERFORATIONS STAGGERED

ROUND PERFORATIONS STRAIGHT LINE PATTERN

ROUND PERFORATIONS 45 DEGREE PATTERN

SLOTS - SIDE STAGGER

SLOTS - END STAGGER

SLOTS - STRAIGHT

PERFORATED STOCK SIZE SHEET OR PLATE WITH MINIMUM MARGINS

12

SHEET OR PLATE RESHEARED AFTER PERFORATING WITH MARGINS AS SPECIFIED

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PERFORATED METAL Tool List Perforations (inches) .020

Type Holes Centers PSI Straight 825

Open Area 30%

Perforations (inches) .100

Type Holes Open Centers PSI Area 5/32" Staggered 36%

.020 Staggered 625

23%

.100

9/64" SL 45%

.023

24%

.109

3/16"

.023 Staggered 400

18%

.109

7/32" Staggered 23%

.027

400

23%

.109

5/32" Staggered 45%

.027 Staggered 320

18%

.113

7/32" Staggered 25%

.033 Staggered 225

19%

.117

3/16" Staggered 33%

Straight Straight

576

Staggered 29%

.033

Straight

330

29%

.117

7/32" Staggered 27%

.040

Straight

225

30%

.117

5/32" Staggered 50%

.040 Staggered 186

23%

.125

3/16" Staggered 40%

.041 Staggered

32%

.125

3/16"

–

35%

.125

7/32" Staggered 29%

225

37%

.125

1/4" Staggered 23%

.045 Staggered 169

28%

.125

1/4"

SL

20%

.050

33%

.125

5/16"

SL

11%

.050 Staggered 115

26%

.141

3/16" Staggered 51%

.055

33%

.141

7/32" Staggered 38%

.055 Staggered 135

30%

.141

1/4" Staggered 28%

.058

144

38%

.148

1/4" Staggered 30%

.058 Staggered 115

35%

.148

7/32" Staggered 30%

.156

3/16" Staggered 62%

.043 Staggered .045

Straight Straight Straight Straight

–

144 144

SL

28%

Perforations (inches) .063

Type Holes Open Centers PSI Area 3/32" Staggered 40%

.156

7/32" Staggered 46%

.156

1/4" Staggered 36%

.156

9/32" Staggered 28%

.063

1/10" Straight 30%

.156

17/64"

.063

7/64"

Staggered 30%

.156

3/8" Staggered 15%

.063

1/8" Staggered 23%

.172

1/4" Staggered 43%

.067

1/8" Staggered 28%

.172

3/8" Staggered 19%

.071

1/8" Staggered 30%

.172

9/32" Staggered 33%

.077

7/64" Staggered 45%

.180

9/32" Staggered 35%

.078

1/8" Staggered 36%

.188

7/32" Staggered 66%

.079

7/64" Straight 45%

.188

1/4" Staggered 51%

.083

1/8" Staggered 37%

.188

9/32" Staggered 41%

.083

5/32" Staggered 26%

.188

5/16" Staggered 33%

.093

9/64" Staggered 40%

.188

1/4"

SL

55%

.093

5/32" Staggered 33%

.188

9/16"

SL

12%

.093

11/64" Staggered 26%

.203

9/32" Staggered 47%

.093

3/16" Staggered 23%

.219

5/16" Staggered 45%

.093

3/16"

.219

11/32" Staggered 36%



.093

.093

17/64" (45°)

SL Staggered

20%

SL

11%

1/4" Staggered 13%

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26%

13

PERFORATED METAL Tool List Perforations (inches) .219

Type Holes Open Centers PSI Area 9/16" Staggered 15%

Perforations (inches) .391

.219

7/16" SL 23%

.406

9/16"

.223

11/32"

Staggered 39%

.406

5/8" Staggered 42%

.234

5/64" Staggered 52%

.422

13/16" Staggered 25%

.234

11/32" Staggered 42%

.422

5/8" Staggered 27%

.234

3/8" Staggered 35%

.430

5/8" Staggered 30%

.242

3/8" Staggered 37%

.438

9/16" Staggered 54%

.250

5/16" Staggered 58%

.438

5/8" Staggered 45%

.250

11/32" Staggered 48%

.438

3/4" Staggered 30%

.250

3/8" Staggered 40%

.445

5/8" Staggered 47%

.250

1/2" Staggered 22%

.453

11/16" Staggered 47%

.250

1/2"

SL

20%

.469

5/8" Staggered 47%

.250

1"

SL

5%

.469

3/4" Staggered 38%

.258

7/16" Staggered 30%

.484

11/16" Staggered 42%

.258

3/8" Staggered 45%

.500

11/16" Staggered 47%

.266

3/8" Staggered 46%

.500

3/4" Staggered 40%

.281

3/8" Staggered 50%

.500

7/8" Staggered 30%

.281

13/32" Staggered 44%

.500

.297

7/16" Staggered 42%

.531

3/4" Staggered 45%

.305

7/16" Staggered 45%

.531

3/16" Staggered 40%

.313

3/8" Staggered 62%

.547

3/4" Staggered 42%

.313

7/16" Staggered 47%

.547

3/4" Staggered 45%

.316

7/16" Staggered 49%

.563

3/4" Staggered 51%

.320

1/2" Staggered 45%

.578

3/4" Staggered 55%

.328

7/16" Staggered 50%

.594

13/16" Staggered 48%

.328

1/2" Staggered 45%

.625

13/16" Staggered 53%

.336

1/2" Staggered 47%

.625

7/8" Staggered 47%

.344

15/32" Staggered 48%

.641

7/8" Staggered 50%

.344

1/2" Staggered 43%

.656

7/8" Staggered 50%

.352

1/2" Staggered 45%

.688

15/16" Staggered 50%

.359

15/32" Staggered 50%

.750

1" Staggered 51%

.359

17/32" Staggered 41%

.750

15/16" Staggered 55%

.359

3/4" Staggered 21%

.750

1-1/8" Staggered 40%

.367

9/16" Staggered 36%

.781

1" Staggered 53%

.375

1/2" Staggered 51%

.813

1-1/16" Staggered 50%

.375

17/32" Staggered 45%

.875

1-1/8" Staggered 54%

.375

9/16" Staggered 40%

1.00

1-1/4" Staggered 58%

.375

5/8" Staggered 33%

1.00

1-3/8" Staggered 48%

.375

11/16" Staggered 27%

.383

9/16" Staggered 42%

14

Type Holes Open Centers PSI Area 9/16" Staggered 45%

1"

Staggered 47%

SL

20%

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PERFORATED METAL Round Holes A FEW OF OUR PERFORATIONS - (holes at actual size)

1/16" @ 1/8" STAGGERED Open area . . . 22.5%

.078 @ 1/8" STAGGERED Open area . . . 36%

3/32" @ 5/32" STAGGERED Open area . . . 32%

3/32" @ 3/16" STAGGERED Open area . . . 23%

1/8" @ 3/16" STAGGERED Open area . . . 40%

1/8" @ 1/4" STAGGERED Open area . . . 23%

5/32" @ 7/32" STAGGERED Open area . . . 46%

3/16" @ 1/4" STAGGERED Open area . . . 51%

3/16" @ 5/16" STAGGERED Open area . . . 33%

1/4" @ 5/16" STAGGERED Open area . . . 58%

1/4" @ 3/8" STAGGERED Open area . . . 40%

1/2" @ 3/4" STAGGERED Open area . . . 40%

3/8" @ 9/16" STAGGERED Open area . . . 40%

3/4" @ 1" STAGGERED Open area . . . 51%

7/16" @ 9/16" STAGGERED Open area . . . 51%

1/2" @ 11/16" STAGGERED Open area . . . 47%

1" @ 1-1/4" STAGGERED Open area . . . 58%

MANY ADDITIONAL PERFORATIONS AVAILABLE . . . ASK YOUR DIRECT METALS SALESPERSON WE CAN PERFORATE MOST ANY METAL, PLASTIC OR RUBBER.

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15

PERFORATED METAL

20GA Steel Peg Board

Sunscreens

Signage

Airport Parking Deck

Formulas for Determining Percentage of Open Areas In each formula “D” = hole diameter and “C” = center spacing

Patio Furniture

60˚ Staggered Centers Pattern (Standard)

Straight Line Pattern

45˚ Staggered Centers Pattern

Dia2 Center2 x 90.5 = Percentage of Open Area

Dia2 Center2 x 78.54 = Percentage of Open Area

Dia2 Center2 x 157.08 = Percentage of Open Area

Architectural Building Facia

16

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BAR GRATING Glossary ANCHOR - A device by which grating is attached to its supports. BAND - A flat bar welded to the end of a grating panel or along the line of a cutout, and extending neither above nor below the bearing bars. Load-Carrying Band: A band used in a cutout to transfer the load from usupported bearing bars to the supported bearing bars. Trim Band: A band which carries no load but is used chiefly to improve appearance. BEARING BARS - Load-carrying bars made from steel strip, slit sheet or rolled or extruded aluminum and extending in the direction of the grating span. BEARING BAR CENTERS - The distance center to center of the bearing bars. CARRIERS - Flats or angles which are welded to the grating panel and nosing of a stair tread and are bolted to a stair stringer to support the tread. CLEAR OPENING - The distance between faces of bearing bars in a rectangular grating or between a bent connecting bar and a bearing bar in a riveted grating. CROSS BARS - The connecting bars made from steel strip, slit sheet, rolled bars, or rolled or extruded aluminum, which extend across the bearing bars, usually perpendicular to them. They may be bent into a corrugated or sinuous pattern, where they intersect the bearing bars, are welded, forged or mechanically locked to them. CROSS BAR CENTERS - The distance center to center of the cross bars. CURVED CUT - A cutout following a curved pattern. CUTOUT - An area of grating removed to clear an obstruction or to permit pipes, ducts, columns, etc. to pass through the grating. ELECTRO-FORGED - A process combining hydraulic pressure and heat fusion to forge bearing bars and cross bars into a panel grid. FINISH - The coating, usually paint or galvanizing, which is applied to the grating. FLUSH TOP GRATING - A type of pressure-locked grating In which the cross bars and bearing bars are in the same plane relative to the top surface of the grating. GRATING - An open grid assembly of metal bars in which the bearing bars running in one direction, are spaced by rigid attachment to cross bars running perpendicular to them or by bent connecting bars extending between them.

HINGED PANELS - Grating panels which are hinged to their supports or to other grating parts. I-BAR - An extruded aluminum bearing bar having a cross sectional shape resembling the letter “I”. LENGTH - The dimension of a grating panel measured parallel to the bearing bars. Also referred to as span. LOAD-CARRYING BAND - see Band. NOSING - A special L-section member serving as the front or leading edge of a stair tread or of grating at the head of a stair. PRESSURE-LOCKED GRATING Grating in which the cross bars are mechanically locked to the bearing bars at their intersections by deforming or swaging the metal. RADIALLY CUT GRATING - Rectangular grating which is cut into panels shaped as annular segments, for use in circular or annular areas. RETICULINE BAR - A sinuously bent connecting bar extending between two adjacent bearing bars, alternately contacting and being riveted to each. RIVET CENTERS - The distance center to center of rivets along one bearing bar. RIVETED GRATING - Grating composed of straight bearing bars and bent connecting bars, which are joined at their contact points by riveting. SERRATED GRATING - Grating which has the top surfaces of the bearing bars, cross bars or both notched. SPAN OF GRATING - The distance between points of grating support or the direction of this dimension. Also referred to as length. STRAIGHT CUT - That portion of the cut edge or cutout of a grating which follows a straight line. SWAGING - A method of altering the cross-sectional shape of a metal bar by pressure applied through dies. TOEPLATE - A flat bar attached against the outer edge of a grating or rear edge of a tread and projecting above the top surface of grating or tread to form a lip or curb.

Terminology This catalog uses a form of the NAAMM alpha-numeric designation for bar spacing and manufacturing identification. The first number signifies center-to-center bearing bar spacing in 1/16ths of an inch*. A letter designates method of manufacture. The last number details center-to-center cross bar spacing in whole inches (usually 4" or 2") or rivet spacing (usually 3-1/2", 5" or 7"). Methods of manufacture and their letter designations used in this catalog include: SG......... Swaged Rectangular Bar SGF....... Swaged Flush Top SGI........ Swaged I-Bar W........... Welded Steel R........... Riveted (Steel) AR......... Riveted (Aluminum) FOR EXAMPLE: 19-W-4 – Bearing Bars 19/16" (or 1-3/16") c.c. – Welded Steel Construction – Cross Bars 4" c.c. 15-SGI-2 – Bearing Bars 15/16" c.c. – Swaged I-Bar – Cross Bars 2" c.c. Other Bearing Bar Spacings commonly used throughout the industry are designated thus: 38-W-4 (or 2) Bearing Bars 38/16" c.c. (2-3/8" c.c.) 30-W-4 (or 2) Bearing Bars 30/16" c.c. (1-7/8" c.c.) 22-W-4 (or 2) Bearing Bars 22/16” c.c. (1-3/8” c.c.) 11-SG-4 (or 2) Bearing Bars 11/16" c.c. 7-SG-4 (or 2) Bearing Bars 7/16" c.c. 18-R-7 (or 3-1/2) Bearing Bars 18/16" face-to-face (1-1/8")* 37-R-5 Bearing Bars 37/16" face-to-face (2-5/16")* 12-R-7 (or 3-1/2) Bearing Bars 12/16" face-to-face (3/4")* *Note: Riveted grating marking indicates space between bearing bars.

TREAD - A panel of grating having carriers and nosing attached by welding and designed specifically to serve as a stair tread. WELDED GRATING - Grating in which the bearing bars and cross bars are joined at their intersections by a weld. WIDTH - The overall dimension of a grating panel, measured perpendicular to the bearing bars and in the same direction as the cross bars.

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17

BAR GRATING Aluminum Products ALUMINUM FLUSH TOP A type of pressure locked grating in which the cross bars are in the same plane relative to the top surface of the grating. Bearing bar sizes range from 1" x 1/8" through 2-1/2" x 3/16" in 1/4" increments. Bearing bar spacing of 13/16", 15/16", 11/16" and 7/16" c.c. and cross bar spacing of 4" or 2" are available. Where skid resistance is desired, a serrated surface can be provided.

ALUMINUM RIVETED A type of aluminum grating which combines straight bearing bars and bent connecting bars riveted together at their contact points. Riveted grating, although being the oldest style of industrial footwalk, is still the choice of many engineers due to its reliability and durability. All popular sizes and spacings of riveted grating are available.

ALUMINUM RECTANGULAR BAR A type of pressure locked grating made by permanently attaching cross bars to bearing bars through a pressure applied swaging process. Bearing bar sizes range from 1" x 1/8" through 2-1/2" x 3/16" in 1/4" increments. Bearing bar spacing of 13/16", 15/16", 11/16" and 7/16" c.c., with cross bar spacing of 4" or 2" are available. Where skid resistance is desired, a serrated surface can be provided.

ALUMINUM PLANK A type of extruded grating which is available In 6" wide sections, and either plain sided or Interlocking. Plank can be provided in sections up to 26'0" in length or fabricated per plans and specs. Plank grating is available unpunched as an economical and structurally superior substitute for aluminum checkerplate or with a variety of punch/patterns.

ALUMINUM I-BAR A type of pressure locked grating which utilizes an “I” shaped bearing bar ranging in size from 1" x 1/4" through 2-1/2" x1/4" in 1/4" increments. Bearing bar spacing of 13/16" and 15/16" c.c. and cross bar spacings of 4" or 2" are available. The I-Bar design takes advantage of the aluminum extrusion process by placing the metal where it is most effective, at the outermost fiber, while reducing the thickness of the neutral axis web. This design consideration allows the same load carrying capacity at less weight per square foot than rectangular bar therefore resulting in a cost savings.

18

PRESSURE LOCKING The most common method of manufacturing aluminum bar grating is through a process known as pressure locking. Pressure locked grating as defined by the NAAMM Metal Bar Grating Manual is “Grating in which the cross bars are mechanically locked to the bearing bars at their intersections by deforming or swaging the metal.” Direct Metals provides a permanently attached pressure locked joint which will give long lasting life under normal service conditions. GRATING TYPES AVAILABLE IN ALUMINUM

Aluminum Plank Grating Where economy is a major consideration, the I-Bar SGI Series offers a popular and reasonably priced alternative to rectangular bar grating. Extruded I-Bar sections have the same load carrying capacity with less weight per square foot than rectangular bars. The striated top and bottom flanges provide a “built-in” skid resistance feature without the added cost of serrating.

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BAR GRATING Aluminum 19 Space (1-3/16") Load Table Bar Size, Inches

Ped Span Inches

Wt.* Lbs. Sq. Ft.

1 x 1/8

39

1.71

Sec. Prop Sx*, in3 Ix*, in4

Clear Span 2'- 0" U D C D U D C D U D C D U D C D U D C D U D C D U D C D U D C D U D C D U D C D

0.211

1 x 3/16 I-Bar 1 - 1/4 x 1/8

44

47

1 - 1/2 x 1/8

2.46

0.316

1.99

0.158 0.329

2.08

0.206

1 - 1/4 x 3/16 I-Bar

0.105

3.01

0.493

2.34

0.308

52

53

0.474

2.46

0.355 1 - 1/2 x 3/16

59

I-Bar 1 - 3/4 x 3/16 I-Bar

66

2 x 3/16 I-Bar

73

2 - 1/4 x 3/16 80 I-Bar 2 - 1/2 x 3/16 I-Bar

87

3.56

0.711

2.70

0.533

4.12

0.967

3.06

0.846

4.68

1.263

3.43

1.263

5.24

1.599

3.75

1.798

5.79

1.974

4.15

2.467

421 0.144 421 0.115 632 0.144 632 0.115 658 0.115 658 0.092 987 0.115 987 0.092 947 0.096 947 0.077 1421 0.096 1421 0.077 1934 0.082 1934 0.066 2526 0.072 2526 0.058 3197 0.064 3197 0.051 3947 0.058 3947 0.046

Panel Width Chart (in.) 19-SG-4/19SG-2

No. of Bars

1/4"  Flange

2

3

4

5

2'- 6" 269 0.225 337 0.180 404 0.255 505 0.180 421 0.180 526 0.144 632 0.180 789 0.144 606 0.150 758 0.120 909 0.150 1137 0.120 1238 0.129 1547 0.103 1617 0.113 2021 0.090 2046 0.100 2558 0.080 2526 0.090 3158 0.072

3'- 0" 187 0.324 281 0.259 281 0.324 421 0.259 292 0.259 439 0.207 439 0.259 658 0.207 421 0.216 632 0.173 632 0.216 947 0.173 860 0.185 1289 0.148 1123 0.162 1684 0.130 1421 0.144 2132 0.115 1754 0.130 2632 0.104

137 .441 241 0.353 206 0.441 361 0.353 215 0.353 376 0.282 322 0.353 564 0.282 309 0.294 541 0.235 464 0.294 812 0.235 632 0.252 1105 0.202 825 0.221 1444 0.176 1044 0.196 1827 0.157 1289 0.176 2256 0.141

4'-0"

158 0.576 316 0.461 164 0.461 329 0.369 247 0.461 493 0.369 237 0.384 474 0.307 355 0.384 711 0.307 484 0.329 967 0.263 632 0.288 1263 0.230 799 0.256 1599 0.205 987 0.230 1974 0.184

4'- 6"

5'- 0"

5'- 6"

6'- 0"

6'- 6"

7'- 0"

8'- 0"

U - Safe uniform load in pounds sq. ft. C - Safe concentrated load in pounds/ft. grating width D - Deflection in inches Loads and deflections given in this table are theoretical and are based on a unit stress of 12,000 psi.

195 0.583 439 0.467 187 0.486 421 0.389 281 0.486 632 0.389 382 0.417 860 0.333 499 0.365 1123 0.292 632 0.324 1421 0.259 780 0.292 1754 0.233

227 0.600 568 0.480 309 0.514 774 0.411 404 0.450 1011 0.360 512 0.400 1279 0.320 632 0.360 1579 0.288

256 0.622 703 0.498 334 0.545 919 0.436 423 0.484 1163 0.387 522 0.436 1435 0.348

215 0.741 645 0.592 281 0.648 842 0.518 355 0.576 1066 0.461 439 0.518 1316 0.415

239 0.761 777 0.608 303 0.676 984 0.541 374 0.608 1215 0.487

261 0.784 914 0.627 322 0.706 1128 0.564

247 0.922 987 0.737

Dimensions Are Out-to-Out of Bearing Bars** 6

7

8

9

1-7/16 2-5/8 3-13/16 5 6-3/16 7-3/8 8-9/16 9-3/4



No. of Bars



1/4"  Flange



No. of Bars

18



1/4" Flange

20-7/16



No. of Bars



1/4"  Flange

10

11

12

13

14

15

16

17

10-15/16 12-1/8 13-5/16 14-1/2 15-11/16 16-7/8 18-1/16 19-1/4

26

19

20

21-5/8 22-13/16 27

28

21

22

23

24

25

24 25-3/16 26-3/8 27-9/16 28-3/4 29

30

31

29-15/16 31-1/8 32-5/16 33-1/2 34-11/16 35-7/8

**Bar thickness is 1/4" at top and bottom. Add 1/4" for extended cross bars. Standard panel widths indicated in bold.

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3'- 6"

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19

BAR GRATING

Aluminum I-Bar & Rectangular Bar (SGI Series) 7-SGI-4

Bar Size, Inches

Ped Wt.* Sec. Prop Span, Lbs. Sx*, in3 Inches Sq. Ft. Ix*, in4

1 x 3/16 1" I-Bar

1-1/4 x 3/16 1-1/4" I-Bar

1-1/2 x 3/16 1-1/2" I-Bar

1-3/4 x 3/16 1-3/4" I-Bar

2 x 3/16 2" I-Bar

2-1/4 x 3/16 2-1/4" I-Bar

2-1/2 x 3/16 2-1/2" I-Bar

56

66

76

85

94

103

111

6.30

0.857

4.79

0.429

7.78

1.339

5.75

0.837

9.28

1.929

6.74

1.446

10.80

2.625

7.70

2.297

12.32

3.429

8.71

3.429

13.83

4.339

9.59

4.882

15.33

5.357

10.66

6.697

7-SGI-2

ClearSpan

2'- 0" 2'- 6" 3'- 0" 3'- 6" 4'- 0" 4'- 6" 5'- 0" 5'- 6" 6'- 0" 6'- 6" 7'- 0" 8'- 0" U 1714 1097 D 0.144 0.225 C 1714 1371 D 0.115 0.180 U 2679 1714 D 0.115 0.180 C 2679 2143 D 0.092 0.144 U 3857 2469 D 0.096 0.150 C 3857 3086 D 0.077 0.120 U 5250 3360 D 0.082 0.129 C 5250 4200 D 0.066 0.103 U 6857 4389 D 0.072 0.113 C 6857 5486 D 0.058 0.090 U 8679 5554 D 0.064 0.100 C 8679 6943 D 0.051 0.080 U 10714 6857 D 0.058 0.090 C 10714 8572 D 0.046 0.072

762 0.324 1143 0.259 1190 0.259 1786 0.207 1714 0.216 2571 0.173 2333 0.185 3500 0.148 3048 0.162 4572 0.130 3857 0.144 5786 0.115 4762 0.130 7143 0.104

560 0.441 980 0.353 875 0.353 1531 0.282 1259 0.294 2204 0.235 1714 0.252 3000 0.202 2239 0.220 3918 0.176 2834 0.196 4959 0.157 3499 0.176 6123 0.141

429 0.577 857 0.461 670 0.461 1339 0.369 964 0.384 1929 0.307 1313 0.329 2625 0.263 1714 0.288 3429 0.230 2170 0.256 4339 0.205 2679 0.230 5357 0.184

339 0.730 762 0.583 529 0.583 1190 0.466 762 0.486 1714 0.389 1037 0.417 2333 0.333 1355 0.365 3048 0.292 1714 0.324 3857 0.259 2116 0.292 4762 0.233

274 0.899 686 0.720 429 0.721 1071 0.576 617 0.600 1543 0.480 840 0.514 2100 0.411 1097 0.450 2743 0.360 1389 0.400 3471 0.320 1714 0.360 4286 0.288

U - Safe uniform load in pounds/sq. ft. C - Safe concentrated load in pounds/ft. grating width D - Deflection in inches

354 0.871 974 0.697 510 0.726 1403 0.581 694 0.622 1909 0.498 907 0.545 2494 0.436 1148 0.484 3156 0.387 1417 0.436 3896 0.348

298 1.038 893 0.830 429 0.865 1286 0.691 583 0.740 1750 0.592 762 0.648 2286 0.518 964 0.576 2893 0.461 1190 0.518 3571 0.415

Loads and deflections given in this table are theoretical, and are based on a unit stress of 12,000 psi.

365 1.014 1187 0.811 497 0.869 1615 0.695 649 0.760 2110 0.608 822 0.676 2670 0.541 1014 0.608 3297 0.487

429 1.009 1500 0.806 560 0.882 1959 0.706 708 0.783 2480 0.627 875 0.706 3061 0.564

328 1.316 1313 1.054 429 1.153 1714 0.921 542 1.023 2170 0.819 670 0.922 2679 0.737

*Based on 27.429 bars/ft. of grating width. Bearing bars 7/16" c.c. Add .3 lbs./sq. ft. for 7-SG-2. 1/8" bearing bars available by inquiry. Note: Grating for spans to the left of the heavy line have a deflection less than 1/4" for uniform loads of 100 lbs./sq. ft. This is the maximum deflection to afford pedestrian comfort and can be exceeded for other types of load at the discretion of the engineer.

7-SGI-4 7-SGI-2 Panel Width Chart (in.)

No. of Bars



1/4" Flange

2

3

11/16

1-1/8



4 1-9/16





Dimensions Are Out-to-Out of Bearing Bars**

5

6

2

2-7/16



7

8

2-7/8



9

3-5/16



10

3-3/4



4-3/16



11 4-5/8



12 5-1/16



13 5-1/2



14

15

5-15/16





6-3/8

16 6-13/16



No. of Bars 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

1/4" Flange

7-1/4

7-11/16



8-1/8



8-9/16



9



9-7/16



9-7/8



10-5/16



10-3/4



11-3/16





11-5/8

12-1/16





12-1/2

12-15/16





13-3/8

No. of Bars 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46

1/4" Flange

13-13/16



14-1/4

14-11/16





15-1/8

15-9/16



16



16-7/16





16-7/8

17-5/16





17-3/4

18-3/16





18-5/8

19-1/16





19-1/2

19-15/16



No. of Bars 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61

1/4" Flange

20-3/8

20-13/16





21-1/4

21-11/16





22-1/8

22-9/16



23



23-7/16





23-7/8

24-5/16





24-3/4

25-3/16





25-5/8

26-1/16





26-1/2



No. of Bars 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76

1/4" Flange



No. of Bars



1/4" Flange

26-15/16 77 33-1/2



27-3/8

27-13/16



78

33-15/16

79

34-3/8



28-1/4

28-11/16



80

34-13/16

81

35-1/4



29-1/8

29-9/16



82

35-11/16



30

30-7/16





30-7/8



31-5/16



31-3/4



32-3/16



32-5/8



33-1/16

83

36-1/8



**Bar thickness is 1/4" at top and bottom. Add 1/4" for extended cross bars.

7-SGI-4

7-SGI-2

4"

7/16"

7/16" SPAN

20

2"

SPAN

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BAR GRATING Aluminum Plank Section Availability Aluminum Plank is structurally sound and cosmetically attractive. Plank grating is non-sparking, non-magnetic, non-skid and relatively maintenance free. It is durable, corrosion resistant and possesses a high strength-to-weight ratio. The surface can be provided unpunched or with a variety of punch/patterns for the passage of air, light, heat or moisture. The interconnecting webs offer a flush top walking surface. Aluminum plank grating has found application in sewage and waste water treatment plants, as well as in the marine refrigerator (reefer), freezer and cargo-hold flooring market. Aluminum plank grating is available in five cross-sectional designs: Heavy Duty (plain sides), Heavy Duty (interlocking sides), Light Series (plain sides), Reefer (plain sides) and Reefer (interlocking sides). The Heavy Duty sections are used primarily in water and waste treatment and the marine markets, while the Light Series and Reefer sections are exclusively in the marine refrigerated stores application. Interlocking Heavy Duty, Reefer sections and edge sections are available in 1" deep grating only.

HEAVY DUTY (Plain Sides) 3/4" thru 2-1/2" 1.200"

REEFER PUNCH/PATTERN AVAILABILITY REEFER (Plain Sides)

1.200" 6"

1" only

HEAVY DUTY (Interlocking Sides)

1.500" 6"

1" only

REEFER (Interlocking Sides)

1.200" 6"

1" only 1" only

1.500" 6"

1.200"

1.200" 2-1/2" FEMALE EDGE

2-1/2" MALE EDGE

1" only

LIGHT SERIES (Plain Sides)

1.500" 3" FEMALE EDGE

1.500" 3" MALE EDGE

1" only 2.400"

1.200" 6"

Plank Punch / Pattern Availability Aluminum plank grating is available unpunched or with a variety of punch/patterns as shown below. Rectangular or square punched holes are most commonly used for water and waste treatment plants and in marine applications, while the round holes find application primarily in the marine market. The surface of plank grating can be specified as plain or with one of two styles of upsets designed to promote a slip resistant walkway, especially in the presence of moisture, oil or other spilled substances.

ADA Compliant

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21

BAR GRATING

TiteWeldTM 7-TW-4 Welded Steel

IN ST OC K!!

TiteWeld™ super narrow welded grating - ideal for those very tight spacing requirements when you need maximum “roll-a-bility.” TiteWeld™ satisfies both ADA comfort requirements for wheel chairs and walking pedestrians. TiteWeld™ is IN STOCK and ready to ship. 7-TW-4 Bar Size, Inches

Wt.* Lbs. Sq. Ft.

ClearSpan

2'- 0" 2'- 6" 3'- 0" 3'- 6" 4'- 0" 4'- 6" 5'- 0" 5'- 6" 6'- 0" 6'- 6" 7'- 0" 8'- 0" U D C D U D C D U D C D U D C D U D C D U D C D U D C D U D C D

3/4 x 3/16 13.73

1 x 3/16

18.09

1-1/4 x 3/16 22.45

1-1/2 x 3/16 26.81

1-3/4 x 3/16 31.20

2 x 3/16

35.59

2-1/4 x 3/16 39.92

2-1/2 x 3/16 44.31

1446

926

643

472

362

286

231

.099

.155

.223

1446

1157

.079

.124

2571

1646

.398 723 .318 643

.503 643 .402 508

.620 579 .497 411

340

286

.074

.116

2571

2057

964 .179 1143 .168 1714 .134 1786 .134 2679 .107 2571 .112 3857 .089 3500 .096 5250 .077 4572 .084 6857 .067 5786 .074 8679 .060 7143 .067 10714 .054

.304 827 .243 840 .228 1469 .182

.298 1286 .238 1004 .238 2009 .191 1446 .199 2893 .159 1969 .170 3938 .136 2571 .149

.377 1143 .302 794 .302 1786 .241 1143 .251 2571 .201 1556 .216 3500 .172 2032 .189

.465 1029 .373 643 .372 1607 .298 926 .310 2314 .248 1260 .266 3150 .213 1646 .233

.563 935 .451 531 .450 1461 .360 765 .375 2104 .300 1041 .322 2864 .258 1360 .282

5143 .119 3255 .132 6509 .106 4018 .119 8036 .095

4572 .151 2571 .168 5786 .134 3175 .151 7143 .121

4114 .186 2083 .270 5207 .166 2571 .186 6429 .149

3740 .225 1721 .250 4734 .200 2125 .225 5844 .180

.671 857 .536 446 .536 1339 .429 643 .447 1929 .358 875 .383 2625 .306 1143 .335 3429 .268 1446 .298 4339 .238 1786 .268 5357 .215

.060

.093

4018

2571

.060

.093

4018

3214

.048

.074

5786

3703

.050

.078

5786

4629

.040

.062

7875

5040

.043

.067

7875

6300

.034

.053

10286

6583

.037

.058

10286

8229

.030

.047

13018

8332

.033

.052

13018 10414 .041 .026 16072 10286 .047 .030 16072 12857 .037 .030

1312 .182 2296 .146 1889 .152 3306 .122 2571 .130 4500 .104 3359 .114 5878 .091 4251 .101 7439 .081 5248 .091 9184 .073

U - Safe uniform load in pounds/sq. ft. C - Safe concentrated load in pounds/ft. grating width D - Deflection in inches Loads and deflections given in this table are theoretical, and are based on a unit stress of 18,000 psi.

380 .629 1236 .503 548 .525 1780 .420 746 .450 2423 .360 974 .393 3165 .315 1232 .350 4006 .280 1522 .315 4945 .252

328 .730 1148 .584 472 .608 1653 .487 643 .521 2250 .417 840 .456 2939 .365 1063 .406 3719 .324 1312 .365 4592 .292

251 .953 1004 .762 362 .795 1446 .635 492 .681 1969 .545 643 .596 2571 .477 814 .530 3255 .424 1004 .476 4018 .381

*Based on 27.429 bars/ft. of grating width. Bearing bars 7/16" c.c. Add .6 lbs./sq. ft. for 7-TW-2. 1/8" bearing bars available upon inquiry. Note: Grating for spans to the left of the heavy line have a deflection less than 1/4" for uniform loads of 100 lbs./sq. ft. This is the maximum deflection to afford pedestrian comfort and can be exceeded for other types of load at the discretion of the engineer. The actual “Ped (pedestrian) Span” under this condition is shown above for each size of grating. When serrated grating is specified, the depth of grating required for a specific load will be 1/4" greater than that shown in these tables. 3/4" x 3/16" serrated grating is NOT available.

Dimensions Are Out-to-Out of Bearing Bars**

Panel Width Chart (in.) 7-TW-4 TiteWeld No. of Bars



3/16"  Bars

2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 5/8 1-1/16 1-1/2 1-15/16 2-3/8 2-13/16 3-1/4 3-11/16 4-1/8 4-9/16

5

5-7/16 5-7/8 6-5/16 6-3/4

No. of Bars 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31



3/16"  Bars

7-3/16 7-5/8 8-1/16 8-1/2 8-15/16 9-3/8 9-13/16 10-1/4 10-11/16 11-1/8 11-9/16 12 12-7/16 12-7/8 13-5/16

No. of Bars 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46



3/16" Bars



No. of Bars



3/16"  Bars

13-3/4 14-3/16 47

48

14-5/8

15-1/16

49

50

15-1/2 15-15/16 16-3/8 16-13/16 17-1/4 17-11/16 18-1/8 18-9/16 51

52

53

54

19

19-7/16 19-7/8

55

20-5/16 20-3/4 21-3/16 21-5/8 22-1/16 22-1/2 22-15/16 23-3/8 23-13/16

**Add 1/4" for extended cross bars. Deduct 1/16" for 1/8" bearing bars. Standard panel widths indicated in bold.

7-TW-4

4"

7-TW-2 7/16"

7/16" SPAN

22

2"

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SPAN

ADA Compliant

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BAR GRATING Light Duty Steel Design Criteria The tables of safe loads which follow have been computed using the following design parameters:

U = Uniform Load - lbs/ft2 C = Concentrated Load - lbs/ft of

grating width

S = Section Modulus - in3/ft of

grating width

I = Moment of Inertia - in4/ft of

grating width

L = Simple Clear Span - feet D = Deflection - inches E = Modulus of Elasticity

(30,000,000 psi)

F = Allowable Bending Stress

(18,000 psi)

M = Bending Moment

Light Duty Welded Steel (W Series) HOW TO SPECIFY: 1. Grating: Light Duty Welded Steel W Series. 2. Bearing Bars: Rectangular Bar on 1-3/16" centers maximum. (Note: Other spacings may be specified at the discretion of the architect/ engineer.) 3. Cross Bars: Electroforge welded at right angles to bearing bars at 4" centers maximum. (Note: 2" cross bar centers may be specified at the discretion of the architect/engineer.) 4. Surface: Plain. (Note: A serrated surface may be specified for maximum skid resistance.) 5. Loading: Grating to carry a pedestrian loading equal to 100# per square foot over the required clear span with deflection not to exceed 1/4". (Note: Alternate loading requirements may be specified at the discretion of the architect/engineer.) 6. Finish: Galvanized or manufacturer’s standard black paint at the discretion of the architect/engineer. 7. Fabrication and Tolerances: In accordance with the NAAMM Metal Bar Grating Manual.

For those areas requiring the corrosion resistance of stainless steel, Direct Metals stocks 1" x 3/16", 1-1/4" x 3/16" and 1-1/2" x 3/16" 19-W-4 Type 304 stainless steel electroforge welded grating. Since the welding process discolors the stainless surface, this grating is best suited for industrial applications only and should not be specified where cosmetic appearance is important.

Serrated Surface

GRATING TYPES - LIGHT DUTY WELDED STEEL W SERIES

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23

BAR GRATING Light Duty Welded Steel

Bar Size, Inches

Ped Span Inches

Wt.* Lbs. Sq. Ft.

Sec. Prop Sx*, in3 Ix*, in4 0.178

3/4 x 3/16

46

5.43

1 x 1/8

51

4.88

1 x 3/16

57

7.04

0.067 0.211 0.105 0.316 0.158 0.329

1 - 1/4 x 1/8

61

5.96 0.206

1 - 1/4 x 3/16

67

8.64

0.493 0.308

1 - 1/2 x 1/8

70

7.04

0.474 0.355 0.711

1 - 1/2 x 3/16

77

10.25

1 - 3/4 x 3/16

87

11.87

2 x 3/16

96

13.48

2 - 1/4 x 3/16

105

15.08

2 - 1/2 x 3/16

113

16.70

0.533 0.967 0.846 1.263 1.263 1.599 1.798 1.974

24

2.467

Clear Span 2'- 0" U D C D U D C D U D C D U D C D U D C D U D C D U D C D U D C D U D C D U D C D U D C D

533 0.099 533 0.079 632 0.075 632 0.060 947 0.074 947 0.060 987 0.060 987 0.048 1480 0.060 1480 0.048 1421 0.050 1421 0.040 2132 0.050 2132 0.040 2901 0.043 2901 0.034 3789 0.037 3789 0.030 4796 0.033 4796 0.026 5921 0.030 5921 0.024

2'- 6" 341 0.155 426 0.124 404 0.116 505 0.093 606 0.116 758 0.093 632 0.093 789 0.074 947 0.093 1184 0.074 909 0.078 1137 0.062 1364 0.078 1705 0.062 1857 0.067 2321 0.053 2425 0.058 3032 0.047 3069 0.052 3837 0.041 3789 0.047 4737 0.037

3'- 0" 237 0.224 355 0.179 281 0.168 421 0.134 421 0.168 632 0.134 439 0.134 658 0.107 658 0.134 987 0.107 632 0.112 947 0.089 947 0.112 1421 0.089 1289 0.096 1934 0.077 1684 0.084 2526 0.067 2132 0.074 3197 0.060 2632 0.067 3947 0.054

3'- 6" 174 0.304 305 0.244 206 0.228 361 0.183 309 0.228 541 0.182 322 0.182 564 0.146 483 0.182 846 0.146 464 0.152 812 0.122 696 0.152 1218 0.122 947 0.130 1658 0.104 1237 0.114 2165 0.091 1566 0.101 2741 0.081 1933 0.091 3383 0.073

4'- 0" 133 0.397 266 0.317 158 0.298 316 0.239 237 0.298 474 0.239 247 0.239 493 0.191 370 0.238 740 0.191 355 0.198 711 0.159 533 0.199 1066 0.159 725 0.170 1451 0.136 947 0.149 1895 0.119 1199 0.132 2398 0.106 1480 0.119 2960 0.095

4'- 6"

125 0.378 281 0.302 187 0.377 421 0.302 195 0.302 439 0.242 292 0.301 658 0.241 281 0.252 632 0.201 421 0.251 947 0.201 573 0.215 1289 0.172 749 0.189 1684 0.151 947 0.168 2132 0.134 1170 0.151 2632 0.121

5'- 0"

5'- 6"

6'- 0"

6'- 6"

7'- 0"

8'- 0"

U - Safe uniform load in pounds sq. ft. C - Safe concentrated load in pounds/ft. grating width D - Deflection in inches

152 0.467 379 0.372 158 0.373 395 0.298 237 0.373 592 0.298 227 0.310 568 0.248 341 0.310 853 0.248 464 0.266 1160 0.213 606 0.233 1516 0.186 767 0.207 1918 0.165 947 0.186 2368 0.149

Loads and deflections given in this table are theoretical, and based on a unit stress of 18,000 psi.

130 0.449 359 0.361 196 0.451 538 0.360 188 0.376 517 0.300 282 0.376 775 0.301 384 0.322 1055 0.257 501 0.282 1378 0.225 634 0.250 1744 0.200 783 0.225 2153 0.180

164 0.535 493 0.429 158 0.447 474 0.358 237 0.447 711 0.358 322 0.383 967 0.306 421 0.335 1263 0.268 533 0.298 1599 0.238 658 0.268 1974 0.215

202 0.525 656 0.420 275 0.450 893 0.360 359 0.394 1166 0.315 454 0.350 1476 0.280 561 0.315 1822 0.252

237 0.522 829 0.417 309 0.456 1083 0.365 392 0.406 1370 0.324 483 0.365 1692 0.292

181 0.680 725 0.545 237 0.596 947 0.477 300 0.530 1199 0.424 370 0.477 1480 0.381

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BAR GRATING Heavy Duty Welded Steel (W Series) Heavy duty welded grating ranges in size from 1-1/4" X 1/4" bearing bars through 6" x 1/2" (7" bearing bars available by inquiry). Standard bearing bar spacings are 15/16", 13/16",1-3/8", 1-7/8" and 2-3/8" center-to-center. See pages 25 and 27 for standard cross bar design. Rectangular cross bars are also available. Standard cross bar spacings are 4" or 2" center-to-center. HOW TO SPECIFY: 1. Grating: Heavy Duty Welded Steel W Series by Direct Metals or approved equal. 2. Bearing Bars: To be (size) rectangular bar spaced (as specified) inches center-to-center. (Note: Bearing bar size selection and spacing must be coordinated with the load and span conditions.)

Plain Surface

Serrated Surface

SLIP-NOT Grip Grate Safety Surface Available GRATING TYPES HEAVY DUTY WELDED STEEL W SERIES

3. Cross Bars: To be (size) spaced 4" center-to-center and welded at right angles to bearing bars with one fillet at each bearing bar/cross bar inter- section. (Note: 2" cross bar spac- ing may be specified for maximum lateral stability.) 4. Surface: Plain. (Note: A serrated surface may be specified for maximum skid resistance.) 5. Loading: Shall be specified by the architect/engineer in terms of uniform load/sq. ft., concentrated load/ft. of grating width or by AASHTO wheel load designation. Loading, bearing bar size, bearing bar spacing and span conditions must be coordinated. 6. Finish: Galvanized or manufacturer’s standard black paint at the discretion of the architect/engineer. 7. Fabrication and Tolerances: In accordance with the NAAMM Heavy Duty Metal Bar Grating Manual.

For traffic areas running perpendicular to the span direction, supplementary bottom cross bars may be specified to provide added lateral stability and impact resistance.

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25

BAR GRATING Heavy Duty Welded Steel 19-W-4/19-W-2 %Open Area*

Bar Size, Inches 1 x 1/4 1 x 3/8 1 - 1/4 x 1/4 1 - 1/4 x 3/8 1 - 1/2 x 1/4 1 - 1/2 x 5/16 1 - 1/2 x 3/8 1 - 3/4 x 1/4 1 - 3/4 x 3/8 2 x 1/4 2 x 5/16 2 x 3/8 2 - 1/4 x 1/4 2 - 1/4 x 3/8 2 - 1/2 x 1/4 2 - 1/2 x 5/16 2 - 1/2 x 3/8 3 x 1/4 3 x 5/16 3 x 3/8 3 x 1/2 3 - 1/2 x 1/4 3 - 1/2 x 3/8 3 - 1/2 x 1/2 4 x 1/4 4 x 5/16 4 x 3/8 4 x 1/2 4 - 1/2 x 1/4 4 - 1/2 x 3/8 4 - 1/2 x 1/2 5 x 1/4 5 x 5/16 5 x 3/8 5 x 1/2 5 - 1/2 x 1/4 5 - 1/2 x 3/8 5 - 1/2 x 1/2 6 x 1/4 6 x 5/16 6 x 3/8 6 x 1/2

26

Wt.** Lbs. Sq. Ft 9.71 14.01 11.87 17.23 14.01 17.23 20.46 16.16 23.67 18.30 22.60 26.89 20.46 30.12 22.60 27.96 33.34 28.32 34.76 41.20 54.09 32.61 47.65 62.67 36.91 45.50 54.09 71.26 41.20 60.53 79.85 45.50 56.24 66.97 88.44 49.79 73.42 97.03 54.09 66.97 79.85 105.62

Section Properties Sx**, in Ft. Width 0.421 0.632 0.658 0.987 0.947 1.184 1.421 1.289 1.934 1.684 2.105 2.526 2.132 3.197 2.632 3.289 3.947 3.789 4.737 5.684 7.579 5.158 7.737 10.316 6.737 8.421 10.105 13.473 8.526 12.789 17.052 10.526 13.158 15.789 21.052 12.737 19.105 25.473 15.158 18.947 22.736 30.315

3

lx**, in Ft. Width 0.211 0.316 0.411 0.617 0.711 0.888 1.066 1.128 1.692 1.684 2.105 2.526 2.398 3.597 3.289 4.112 4.934 5.684 7.105 8.526 11.368 9.026 13.539 18.052 13.473 16.842 20.210 26.947 19.184 28.776 38.367 26.315 32.894 39.473 52.630 35.025 52.538 70.051 45.473 56.841 68.209 90.945 4

1 Ton 7 9 10 14 13 16 19 17 25 22 28 33 28 41 34 42 50 49 60 67* 78* 66 85* 96 85* 95* 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96

Bearing Bar Thickness 5/16" 3/8" 1/2"

BB Size

CB Ctrs

1/4"

Thru 2 - 1/2"

4"cc 2"cc

72% 65%

67% 61%

62% 56%

3" to 6"

4"cc 2"cc

74% 70%

69% 65%

64% 60%

Maximum Safe Clear Span, InchesPartially Distributed Load 3 Ton 5 Ton 7 6 9 8 9 8 12 10 11 10 13 11 14 13 14 12 18 17 16 15 19 18 22 21 19 18 26 26 22 22 27 27 31 31 30 30 36 37 43 44 55 57 39 40 56 58 72* 75* 50 51 61 63 72 75 88* 91* 61 64 90 94* 96 96 75 78 92 96 96 96 96 96 89 94 96 96 96 96 96 96 96 96 96 96 96 96

54% 51%

H15/H20 9 11 12 14 14 16 18 17 21 20 23 26 23 31 27 31 36 35 42 49 61* 45 64 76* 57 70 80* 92* 70 95* 96 85 96 96 96 96 96 96 96 96 96 96

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BAR GRATING Heavy Duty Welded Steel - 19 Space

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27

BAR GRATING Heavy Duty Welded Steel 22-W-4/22-W-2 %Open Area*

Bar Size, Inches 1 x 1/4 1 x 3/8 1 - 1/4 x 1/4 1 - 1/4 x 3/8 1 - 1/2 x 1/4 1 - 1/2 x 5/16 1 - 1/2 x 3/8 1 - 3/4 x 1/4 1 - 3/4 x 3/8 2 x 1/4 2 x 5/16 2 x 3/8 2 - 1/4 x 1/4 2 - 1/4 x 3/8 2 - 1/2 x 1/4 2 - 1/2 x 5/16 2 - 1/2 x 3/8 3 x 1/4 3 x 5/16 3 x 3/8 3 x 1/2 3 - 1/2 x 1/4 3 - 1/2 x 3/8 3 - 1/2 x 1/2 4 x 1/4 4 x 5/16 4 x 3/8 4 x 1/2 4 - 1/2 x 1/4 4 - 1/2 x 3/8 4 - 1/2 x 1/2 5 x 1/4 5 x 5/16 5 x 3/8 5 x 1/2 5 - 1/2 x 1/4 5 - 1/2 x 3/8 5 - 1/2 x 1/2 6 x 1/4 6 x 5/16 6 x 3/8 6 x 1/2

28

Wt.** Lbs. Sq. Ft 8.54 12.25 10.40 15.04 12.25 15.04 17.82 14.11 20.59 15.96 19.67 23.38 17.82 26.16 19.67 24.30 28.95 24.80 30.37 35.93 47.06 28.51 41.50 54.48 32.22 39.64 47.06 61.89 35.93 52.63 69.31 39.64 48.92 58.18 76.73 43.35 63.75 84.15 47.06 58.18 69.31 91.57

Section Properties Sx**, in Ft. Width 0.364 0.545 0.568 0.852 0.818 1.023 1.227 1.114 1.670 1.455 1.818 2.182 1.841 2.761 2.273 2.841 3.409 3.273 4.091 4.909 6.545 4.454 6.682 8.909 5.818 7.273 8.727 11.636 7.363 11.045 14.727 9.091 11.363 13.636 18.181 11.000 16.499 21.999 13.091 16.363 19.636 26.181

3

lx**, in Ft. Width 0.182 0.273 0.355 0.533 0.614 0.767 0.920 0.974 1.462 1.455 1.818 2.182 2.071 3.106 2.841 3.551 4.261 4.909 6.136 7.363 9.818 7.795 11.693 15.590 11.636 14.545 17.454 23.272 16.568 24.851 33.135 22.727 28.408 34.090 45.453 30.249 45.374 60.498 39.272 49.089 58.907 78.543 4

1 Ton 6 9 9 13 12 15 18 16 23 21 25 30 26 38 31 39 46 45 55 64* 74* 60 81* 94* 78 91* 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96

Bearing Bar Thickness 5/16" 3/8" 1/2"

BB Size

CB Ctrs

1/4"

Thru 2 - 1/2"

4"cc 2"cc

75% 68%

70% 64%

66% 60%

3" to 6"

4"cc 2"cc

77% 72%

72% 68%

68% 64%

Maximum Safe Clear Span, InchesPartially Distributed Load 3 Ton 5 Ton 7 6 9 7 9 7 11 9 11 9 12 11 13 12 13 11 16 15 15 14 17 17 20 19 18 17 24 24 20 20 24 24 28 28 27 27 33 33 38 40 50 52 35 36 50 53 66 69 45 46 54 57 64 68 83* 86* 55 58 80 85 96 96 67 71 82 88 96 96 96 96 80 85 96 96 96 96 94 96 96 96 96 96 96 96

60% 56%

H15/H20 9 11 11 13 13 15 16 15 20 18 21 24 21 28 24 29 33 32 38 44 57* 41 58 71* 51 62 73 87* 63 89* 96 76 92 96 96 90 96 96 96 96 96 96

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BAR GRATING Heavy Duty Welded Steel - 22 Space Bar Size, Inches

1 x 1/4 1 x 3/8 1 - 1/4 x 1/4 1 - 1/4 x 3/8 1 - 1/2 x 1/4 1 - 1/2 x 5/16 1 - 1/2 x 3/8 1 - 3/4 x 1/4 1 - 3/4 x 3/8 2 x 1/4 2 x 5/16 2 x 3/8 2 - 1/4 x 1/4 2 - 1/4 x 3/8 2 - 1/2 x 1/4 2 - 1/2 x 5/16 2 - 1/2 x 3/8 3 x 1/4 3 x 5/16 3 x 3/8 3 x 1/2 3 - 1/2 x 1/4 3 - 1/2 x 3/8 3 - 1/2 x 1/2 4 x 1/4 4 x 5/16 4 x 3/8 4 x 1/2 4 - 1/2 x 1/4 4 - 1/2 x 3/8 4 - 1/2 x 1/2 5 x 1/4 5 x 5/16 5 x 3/8 5 x 1/2 5 - 1/2 x 1/4 5 - 1/2 x 3/8 5 - 1/2 x 1/2 6 x 1/4 6 x 5/16 6 x 3/8 6 x 1/2

Maximum Safe Concentrated Load*, Lbs. - Clear Span 1'- 0"

1'- 6"

2'- 0"

2'- 6"

3'- 0"

3'- 6"

2427 3633 3787 5680 5453 6820 8180 7427 11133 9700 12120 14547 12273 18407 15153 18940 22727 21820 27273 32727 43633 29693 44547 59393 38787 48487 58180

1618 2422 2524 3787 3636 4547 5453 4951 7422 6467 8080 9698 8182 12271 10102 12627 15151 14547 18182 21818 29089 19796 29698 39596 25858 32324 38787 51716 32724 49089

1213 1817 1893 2840 2727 3410 4090 3713 5567 4850 6060 7273 6137 9203 7577 9470 11363 10910 13637 16363 21817 14847 22273 29697 19393 24243 29090 38787 24543 36817 49090 30303 37877 45453

971 1453 1515 2272 2181 2728 3272 2971 4453 3880 4848 5819 4909 7363 6061 7576 9091 8728 10909 13091 17453 11877 17819 23757 15515 19395 23272 31029 19635 29453 39272 24243 30301 36363 48483 29333 43997 58664 34909 43635 52363

809 1211 1262 1893 1818 2273 2727 2476 3711 3233 4040 4849 4091 6136 5051 6313 7576 7273 9091 10909 14544 9898 14849 19798 12929 16162 19393 25858 16362 24544 32727 20202 25251 30302 40402 24444 36664 48887 29091 36362 43636 58180

693 1038 1082 1623 1558 1949 2337 2122 3181 2771 3463 4156 3507 5259 4330 5411 6493 6234 7792 9350 12467 8484 12728 16970 11082 13853 16623 22164 14025 21038 28051 17316 21644 25973 34630 20952 31427 41903 24935 31168 37402 49869

4'- 0"

4'- 6"

5'- 0"

5'- 6"

6'- 0"

7'- 0"

8'- 0"

%Open Area*

947 1420 1363 1705 2045 1857 2783 2425 3030 3637 3068 4602 3788 4735 5682 5455 6818 8182 10908 7423 11137 14848 9697 12122 14545 19393 12272 18404 24545 15152 18938 22727 30302 18333 27498 36665 21818 27272 32727 43635

1212 1516 1818 1650 2474 2156 2693 3233 2727 4090 3367 4209 5050 4849 6061 7273 9696 6599 9899 13199 8619 10775 12929 17239 10908 16363 21818 13468 16834 20201 26935 16296 24443 32591 19394 24241 29090 38787

1485 2227 1940 2424 2909 2455 3681 3031 3788 4545 4364 5455 6545 8727 5939 8909 11879 7757 9697 11636 15515 9817 14727 19636 12121 15151 18181 24241 14667 21999 29332 17455 21817 26181 34908

Bearing Bar Thickness 5/16" 3/8" 1/2"

BB Size

CB Ctrs

1/4"

Thru 2 - 1/2"

4"cc 2"cc

75% 68%

70% 64%

66% 60%

3" to 6"

4"cc 2"cc

77% 72%

72% 68%

68% 64%

60% 56%

Loads are theoretical, and are based on a unit stress of 20,000 psi.

2232 3347 2755 3444 4132 3967 4959 5950 7933 5399 8099 10799 7052 8816 10578 14104 8925 13388 17851 11019 13773 16528 22038 13333 19999 26665 15868 19834 23801 31735

2526 3157 3788 3637 4546 5454 7272 4949 7424 9899 6464 8081 9697 12929 8181 12272 16363 10101 12626 15151 20201 12222 18332 24443 14546 18181 21818 29090

4242 6364 8485 5541 6927 8311 11082 7012 10519 14026 8658 10822 12987 17315 10476 15713 20951 12468 15584 18701 24934

6136 9204 12273 7576 9469 11363 15151 9167 13749 18333 10909 13636 16363 21818

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29

BAR GRATING Stair Treads

STAIR TREAD DETAILS

STANDARD TREAD WIDTHS AND END PLATE DIMENSIONS Width (includes nosing*) End Plate Dimensions Number of Dimension B Bearing W, SG, SGF SGI R, AR Plank Dimension 1 1-1/2 Bars Series Series Series Series A 1-1/4 1-3/4 5 6-3/16 6-1/4 6-11/16 6-3/8 2-1/2 1-3/4 2-1/4 6 7-3/8 7-7/16 8 7-1/4 4-1/2 1-3/4 2-1/4 7 8-9/16 8-5/8 9-5/16 8-3/4 4-1/2 1-3/4 2-1/4 8 9-3/4 9-13/16 10-5/8 9-15/16 7 1-3/4 2-1/4 9 10-15/16 11 11-15/16 11-1/8 7 1-3/4 2-1/4 10 12-1/8 12-3/16 13-1/4 12-3/8 7 1-3/4 2-1/4

NOTE: Refer to drawings above for A and B Dimensions NOTE: DIM, B = 2-1/4" for ALL aluminum treads.

*Table of widths based on 3/16" thick bearing bars and standard bar spacing 1-3/16" cc (1-1/8" face-to-face for riveted grating.)

SUGGESTED BEARING BAR SIZES* Aluminum Treads SGF, SG, AR Series 1" x 3/16" 1-1/4" x 3/16" 1-1/2" x 3/16" 1-3/4" x 3/16"

Max. Tread Length* Plain Serrated 2'-4" 2'-10" 3'-6" 4'-3"

2'-2" 2'-7" 3'-2" 3'-10"

Steel Treads

SGI Series Plank Series

Maximum Tread Length*

W, R Series

1" I-Bar / Plank 1-1/4" I-Bar / Plank 1-1/2" I-Bar / Plank 1-3/4" I-Bar / Plank

2'-6" 3'-0" 3'-6" 4'-5"

3/4" x 3/16" 1" x 3/16" 1-1/4" x 3/16" 1-1/2" x 3/16"

Max. Tread Length* Plain

Serrated

2'-4" 3'-5" 4'-8" 5'-6"

1'-11" 2'-10" 4'-2" 5'-3"

*Maximum tread length based on 400-lb. concentrated load on nosing and 4 bearing bars at center of tread length. NOTE: Since a serrated connecting bar does not reduce the strength of the grating, R and AR Series treads may always be selected from the “Plain” column.

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BAR GRATING Anchoring Devices SADDLE CLIP A special bent-clip type fastener for removable bar grating panels available in aluminum, stainless steel and galvanized steel. Clips only are supplied by the grating manufacturer. Other fastening accessories to be provided by others. (Note: Cross bars may need to be snipped in the field to facilitate placement of saddle clips.)

GRATING CLAMP A special friction fastener available in aluminum, stainless steel and galvanized steel used in conjunction with bar grating and embedded grating frames. (Note: Cross bars may need to be snipped in the field to facilitate placement of grating clamps.)

ANCHOR BLOCK Anchor blocks of 1/4" or 3/16" thick aluminum or steel may be shop welded by the grating manufacturer and used to fasten permanent or removable grating panels. Anchor blocks are recessed thus offering a trip-free surface.

Z CLIP The most versatile clip anchor available is the Z Clip. These clips are especially helpful in holding down riveted grating. Z Clips are manufactured from stainless steel and are available in 1" (1" and 1-1/4" grating) 1-1/2" (1-1/2" and 1-3/4" grating) and 2" (2", 2-1/4" and 2-1/2" grating) with a prepunched hole to accept a 1/4" bolt or TEK screw by others.

PLANK CLIP A special friction fastener used in conjunction with plank grating and embedded grating frames. When plank is banded, clips are installed by the manufacturer.

PLANK LUG A plank lug inserted and tack welded between flanges can serve as an anchor block for plank grating. TEK screw fastener by others.

COUNTERSUNK LAND For close-mesh aluminum grating (7/16" bearing bar centers) a countersunk land may be drilled by the grating manufacturer for use with a 1/4" diameter TEK screw by others.

TACK WELD A positive method for anchoring all permanently installed grating.

EXAMPLES OF FABRICATIONS

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APPLICATIONS Fiberglass Grating Applications

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FIBERGLASS Fiberglass Grating Products MOLDED FIBERGLASS GRATING

Molded fiberglass grating is a fiberglass-reinforced plastic (FRP) that combines fiberglass rovings with thermosetting resins to form a strong, one-piece molded panel. A 65%/35% resin to glass weight ratio provides high corrosion resistance. Meniscus surfaces or applied grit surfaces provide slip resistance when compared to other flooring products. This product is better suited for corrosive environments.

PULTRUDED FIBERGLASS GRATING

Pultruded fiberglass grating is made using premium grade isophthalic polyester, vinyl ester or phenolic resin systems with a synthetic surfacing veil, making it corrosion resistant, lightweight and durable. Pultruded fiberglass has a grit surface for safety and a greater strength to weight ratio than molded fiberglass grating. A 35%/65% resin to glass ratio provides greater strength and less corrosion resistance than molded fiberglass. This product is better suited for longer spans.

FIBERGLASS COVERED GRATING

Our fiberglass covered grating is a long-lasting, molded fiberglass floor product that combines smooth, gritted or checker plate and molded grating manufactured with any of our resin systems. It is the ideal choice when a 100% covered flooring surface is needed. Our fiberglass covered grating is often used in loading and storage areas with high foot and cart traffic, where a strong, level surface is ideal. It offers approximately 50% higher stiffness values than that of open mesh grating, and its standard grit-top cover assures secure footing.

BULLET RESISTANT FIBERGLASS PLATE

Our bullet resistant fiberglass plate offers superior ballistic resistance at a weight less than 25% that of a comparable steel panel. Now available for commercial security applications for your business, home or governmental facility, these fiberglass panels offer ballistic resistant security with the additional performance advantages of durability, corrosion resistance, electrical non-conductivity, low thermal conductivity and light weight.

HEAVY DUTY FIBERGLASS GRATING

Our heavy duty fiberglass grating is available in both molded and pultruded grating systems. Both are designed to carry forklift and tractor-trailer loads that traditional molded and pultruded FRP grating products are not designed to support. Heavy duty fiberglass grating provides greater durability for higher volume traffic areas as well. Additionally, Heavy Duty Fiberglass Grating can be used to free span longer distances than traditional fiberglass grating

FIBERGLASS STAIR TREADS & STAIR TREAD COVERS

Lightweight and easy to install, fiberglass stair treads are available in both molded and pultruded types to match the fiberglass floor grating platforms. Fiberglass stair tread covers are made from a molded glass and resin system that is corrosion and impact resistant, fire retardant and non-conductive. They provide a cost effective, slip-resistant protective surface for concrete, metal and wood steps.

FIBERGLASS GRATING HANDRAILS AND LADDERS

Fiberglass handrail systems are fabricated from pultruded fiberglass components and molded thermoplastic connectors. Our modular fiberglass grating handrail systems are available in 2" square or 2" round configurations that are easy to grip, making them ideal for any high traffic area. Our fiberglass ladders and cages can be installed in a variety of applications from sumps to tanks, buildings, piers, portable equipment, etc., providing years of strength and dependability.

FIBERGLASS ATTACHMENTS AND CLIPS

Our fiberglass grating attachments and clips are specially designed to secure fiberglass grating or plates to the supporting structures. Additionally, they are used to fasten together adjacent grating panels, which minimizes load-induced differential deflection. All fiberglass attachments and clips are made of Type 316 stainless steel and are available in 1", 1-1/2" and 2" sizes.

FIBERGLASS PLATES

Fiberglass plates feature a non-conductive surface that makes them an economical and safe solution to walking surfaces. In caustic and/or acidic conditions, fiberglass plates provide a level of corrosion resistance that is unequaled and more cost effective than stainless steel. Fiberglass plate is available with a non-grit surface or with a grit surface where anti-slip traction is needed.

FIBERGLASS STRUCTURAL SHAPES

Our fiberglass structural shapes and pultruded fiberglass profiles are made from a combination of fiberglass and thermosetting resin systems. All shapes are lightweight, impact resistant, low maintenance, non-magnetic, low conductive and have dimensional stability, making them easy to install and ideal for several applications. Custom shapes are available upon request.

CUSTOM MATCHED COLORS AVAILABLE Will match to any RAL color.

Our Pultruded grating inventory

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FIBERGLASS Fiberglass Grating Resin Systems To meet the needs of your unique application requirements, our molded fiberglass grating is available in these resin systems: IFR-10 Premium isophthalic polyester resin with a fire retardant class 1 flame spread rating of 10 or less per ASTM - E84. Provides a very good level of corrosion resistance for industrial applications and is extra fire retardant.

FIBERGLASS GRATING CHARACTERISTICS

IFR-25 Premium isophthalic polyester resin with a fire retardant class 1 flame spread rating of 25 or less per ASTM - E84. Provides a very good level of chemical resistance for industrial applications and is fire retardant. Available in dark gray, green and yellow.

Rectangular mesh patterns as well as square mesh patterns benefit from integral one-piece construction. Smooth resin-rich vertical surfaces and tapered bars allow debris to fall through.

VFR-10 Premium vinyl ester resin with a fire retardant class 1 flame spread rating of 10 or less per ASTM - E84. Provides an excellent level of corrosion resistance and fire retardant. Available in dark gray and orange.

Angular grit particles are applied to the top of each panel to provide a long-lasting anti-slip top surface

VFR-25 Premium vinyl ester resin with a fire retardant class 1 flame spread rating of 25 or less per ASTM - E84. Provides an excellent level of corrosion resistance and enhanced fire retardant. Available in dark gray and orange.

Continuous glass fiber strand in alternating layers thoroughly wetted with resin for excellent corrosion resistance.

OFR-25 Orthophthalic polyester resin with a fire retardant class 1 flame spread rating of 25 or less per ASTM - E84. Provides moderate corrosion resistance and fire retardant. Perfect for use in water/ wastewater, architectural and decorative and light industrial applications and in aquatic wave zone areas. Available in green, yellow and dark gray.

Integral one-piece construction distributes loads to bearing bars and cross bars as well as to the support structure.

PHENOLIC Flame-resistant resin with fire retardant class 1 flame spread rating of 5 or less per ASTM - E84 and a smoke index of 45 or less. Typically used for the offshore industry or for enclosed, confined area applications such as subways, tunnels and mine shafts. Available in Reddish-brown, phenolic painting of the grating can be performed to obtain a gray or red finish.

CUSTOMIZED HIGH CORROSION-RESISTANT RESIN SYSTEMS AVAILABLE UPON REQUEST

MOLDED FIBERGLASS GRATING SELECTION Depth

Mesh

Panel Sizes

1/2"

1-1/2" x 1-1/2"

1/2" 2" x 2" square 3/4" 1-1/2" x 1-1/2" square 1" 1" x 4" rectangular

Lbs/Sq.Ft.

Open Area

4' x 8' (non-load carrying product)

0.8 lb.

87%

4' x 12'

1.0 lb.

82%

3' x 10', 4' x 8', 4' x 12' 12' x 4', 10' x 3', 8' x 4'

2.0 lbs. 2.6 lbs.

70% 65%

(non-load carrying product)

1"

1-1/2" x 1-1/2" square

3' x 10', 4' x 8', 4' x 12'

2.5 lbs.

70%

1"

2" x 2" square

4' x 12'

1.7 lbs.

76%

1-1/4"

1-1/2" x 1-1/2" square

3' x 10', 4' x 8', 4' x 12', 5' x 10'

3.2 lbs.

70%

1-1/2"

1-1/2" x 1-1/2" square

3' x 10', 4' x 8', 4' x 12', 5' x 10'

3.7 lbs.

70%

2" x 2" square

3' x 10', 4' x 8', 4' x 12', 5' x 10'

4.0 lbs.

72%

Top 3/4" sq. - Bottom 1-1/2" sq. 4' x 12'

2.9 lbs.

44.4%

Top 3/4" sq. - Bottom 1-1/2" sq. 4' x 12'

5.0 lbs.

44%

2" 1" 1-1/2"

MOLDED MINIMESH FIBERGLASS GRATING SELECTION

MOLDED HIGH LOAD CAPACITY FIBERGLASS GRATING SELECTION 1-1/2"

1" x 2" rectangular

4' x 12'

6.2 lbs.

48%

2"

1" x 2" rectangular

4' x 12'

8.4 lbs.

48%

CUSTOM COLORS AND SIZES AVAILABLE

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FIBERGLASS Molded Grating Details 1-1/2" X 1-1/2" SQUARE THICKNESS: 1 INCH Mesh Pattern: 1-1/2" Square Open Area: 68% Weight: 2.5 Lbs/Sq. Foot Bar Width: 1/4 Inch Bars/Foot: 8

1-1/2" X 1-1/2" SQUARE THICKNESS: 1-1/2 INCH Mesh Pattern: 1-1/2" Square Open Area: 68% Weight: 3.8 Lbs/Sq. Foot Bar Width: 1/4 Inch Bars/Foot: 8

2" X 2" SQUARE

THICKNESS: 2 INCH Mesh Pattern: 2" Square Open Area: 71% Weight: 4.6 Lbs/Sq. Foot Bar Width: 5/16 Inch Bars/Foot: 6

1" X 4" RECTANGULAR

THICKNESS: 1 INCH Mesh Pattern: 1" x 4" Rectangular Open Area: 67% Weight: 2.6 Lbs/Sq. Foot Bar Width: 1/4 Inch Bars/Foot: 12

1-1/2" X .75" SQUARE MINIMESH THICKNESS: 1 INCH Mesh Pattern: 1-1/2" x .75" Square Open Area: 43% Weight: 3.44 Lbs/Sq. Foot Bar Width: 1/4 Inch Bars/Foot: 8

1-1/2" X .75" SQUARE MINIMESH THICKNESS: 1-1/2 INCH Mesh Pattern: 1-1/2" x .75" Square Open Area: 43% Weight: 4.7 Lbs/Sq. Foot Bar Width: 1/4 Inch Bars/Foot: 8

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FIBERGLASS Pultruded Grating Combining corrosion resistance, long life and a maintenance-free design, our pultruded grating is superior to conventional metals. This advanced grating is also lightweight and easy to fabricate, making it less expensive to install. In fact, the savings on labor and equipment often make the total installed cost of our pultruded grating comparable to that of steel. Combining it’s low cost of installation with maintenance-free long-life, it is manufactured with a recessed tie bar configuration and an inherent resiliency which reduces back and leg strain and contributes to ergonomics and worker productivity.

LIGHTWEIGHT YET DURABLE - less than one-half the weight of steel grating allowing easy removal for access below floor level and installation with no heavy equipment and less manpower required.

EASILY FABRICATED - no need for lifting equipment or expensive tools; can be easily carried by two workers and cut using standard circular or saber saws fitted with carbide blades.

ADDED SAFETY - durable grit surface, permanently bonded and baked to the grating surface, for a safe, slip-resistant walkway.

ELECTRICALLY AND THERMALLY NON-CONDUCTIVE - providing additional worker safety.

FEATURES AND BENEFITS

MAINTENANCE FREE - corrosion resistant and requires no scraping, sandblasting or painting; install it and forget it.

CORROSION RESISTANCE - based on the use of premium grade, isophthalic polyester or vinyl ester resin systems and a synthetic surfacing veil.

All of our pultruded gratings are manufactured with a high percentage of glass within the laminate, providing durability, extremely high unidirectional strength and stiffness. Due to its exceptional stiffness, it can be used with confidence in applications where wide support spans are required. For most applications where it is used to replace corroding steel grating, our pultruded grating rarely requires additional support. Designed specifically for pedestrian walkways, our pedestrian floor grating is ideal

FIRE RETARDANT - flame spread rating of 25 or less, according to ASTM E-84; meets the self-extinguishing requirements of ASTM D-635.

UV PROTECTION - UV inhibitors included in the resin formulation, along with a surfacing veil and grit top surface for optimum protection from the effects of weathering.

ELECTRONICALLY TRANSPARENT does not affect electromagnetic or radio wave frequencies.

VIEW SPEC TABLES ONLINE

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To form a pultruded element, continuous fiber rovings and mat are mechanically drawn through a resin bath and shaped through a series of forming guides, then pulled through a heated die.

for any application where a corrosion-resistant, durable, lightweight surface material is required. Our pedestrian grating is available in 1" and 1-1/2" depths and in several configurations and panel sizes. 1" deep pedestrian grating is designed for access areas and walkways where pedestrian traffic is the heaviest load. 1-1/2" pedestrian grating is approximately three times stiffer than the 1" deep version and is used for applications where wider spans (up to 72") or lower deflection criteria are required.

SELECTION OF PULTRUDED INDUSTRIAL GRATING - 6" TIE BAR SPACING STANDARD Series Panel Depth Load Bar Spacing Sizes Load Bars/Ft. Wt./Sq.Ft. Width Length I-6010 1" 1-1/2" 2', 3', 4' 10', 12', 20', 24' 8 2.4 lbs. I-4010 1" 1" 2', 3', 4' 10', 12', 20', 24' 12 3.4 lbs. I-6015 1-1/2" 1-1/2" 2', 3', 4' 10', 12', 20', 24' 8 2.8 lbs. I-4015 1-1/2" 1" 2', 3', 4' 10', 12', 20', 24' 12 4.1 lbs. T-5020 2" 2" 2', 3', 4' 10', 12', 20', 24' 6 3.1 lbs. T-3320 2" 1-1/2" 2', 3', 4' 10', 12', 20', 24' 8 4.0 lbs.

Open Area 60% 40% 60% 40% 50% 33%

SELECTION OF PULTRUDED PEDESTRIAN GRATING - 6" TIE BAR SPACING STANDARD Series Panel Depth Load Bar Spacing Sizes Load Bars/Ft. Wt./Sq.Ft. Width Length T-3810 1" 2.4" 2', 3', 4' 10', 12', 20', 24' 5 1.9 lbs. T-2510 1" 2.0" 2', 3', 4' 10', 12', 20', 24' 6 2.3 lbs. T-1210 1" 1.7" 2', 3', 4' 10', 12', 20', 24' 7 2.7 lbs. T-3815 1-1/2" 2.4" 2', 3', 4' 10', 12', 20', 24' 5 2.7 lbs. T-2515 1-1/2" 2.0" 2', 3', 4' 10', 12', 20', 24' 6 3.2 lbs. T-1215 1-1/2" 1.7" 2', 3', 4' 10', 12', 20', 24' 7 3.6 lbs.

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Open Area 38% 25% 12% 38% 25% 12%

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FIBERGLASS Pultruded Grating Details I-6010 PULTRUDED GRATING Bar Height: 1 Inch Cross Bar: 16" Centers Open Area: 60% Weight: 2.4 Lbs/Sq. Foot Bar Width: .600" Bars/Foot: 8

I-6010 PULTRUDED GRATING Bar Height: 1 Inch Cross Bar: 16" Centers Open Area: 60% Weight: 2.4 Lbs/Sq. Foot Bar Width: .600” Bars/Foot: 8

I-6010 PULTRUDED GRATING Bar Height: 1 Inch Cross Bar: 16” Centers Open Area: 60% Weight: 2.4 Lbs/Sq. Foot Bar Width: .600" Bars/Foot: 8

I-6010 PULTRUDED GRATING Bar Height: 1 Inch Cross Bar: 16" Centers Open Area: 60% Weight: 2.4 Lbs/Sq. Foot Bar Width: .600" Bars/Foot: 8

OTHERS COMING SOON

I-6010 PULTRUDED GRATING Bar Height: 1 Inch Cross Bar: 16" Centers Open Area: 60% Weight: 2.4 Lbs/Sq. Foot Bar Width: .600" Bars/Foot: 8

I-6010 PULTRUDED GRATING Bar Height: 1 Inch Cross Bar: 16" Centers Open Area: 60% Weight: 2.4 Lbs/Sq. Foot Bar Width: .600" Bars/Foot: 8

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FIBERGLASS Pultruded T Pedestrian Series Grating Details The T Pedestrian Series is offered in a variety of sizes with open areas of 35%, 18% or even 0% and depths of 1" or 1-1/2". The T shaped top of the load bar provides maximum surface area underfoot, thus the most comfortable walking surface and a smoother surface for two-wheel moving equipment. These designs are excellent for areas with high traffic and light hand trucks or wheeled carts. 1" Deep T3810

1-1/2" Deep T3815

# OF BARS/ FT OF WIDTH

LOAD BAR WIDTH

OPEN AREA

LOAD BAR CENTERS

APPROXIMATE WEIGHT

# OF BARS/ FT OF WIDTH

LOAD BAR WIDTH

OPEN AREA

LOAD BAR CENTERS

APPROXIMATE WEIGHT

5

1"

38%

2.4"

1.9 psf

5

1-1/2"

38%

2.4"

2.7 psf

WAITING ON FILES

COMING SOON

1" Deep T2510 (ADA Compliant) # OF BARS/ FT OF WIDTH

LOAD BAR WIDTH

OPEN AREA

6

1"

25%

1-1/2" Deep T2515 (ADA Compliant)

LOAD BAR CENTERS

APPROXIMATE WEIGHT

# OF BARS/ FT OF WIDTH

LOAD BAR WIDTH

OPEN AREA

LOAD BAR CENTERS

APPROXIMATE WEIGHT

2"

2.3 psf

6

1-1/2"

25%

2"

3.15 psf

WAITING ON FILES

1" Deep T1210 (ADA Compliant)

1" Deep T1215 (ADA Compliant)

# OF BARS/ FT OF WIDTH

LOAD BAR WIDTH

OPEN AREA

LOAD BAR CENTERS

APPROXIMATE WEIGHT

# OF BARS/ FT OF WIDTH

LOAD BAR WIDTH

OPEN AREA

LOAD BAR CENTERS

APPROXIMATE WEIGHT

7

1"

12%

1.714"

2.6 psf

7

1-1/2"

12%

1.714"

3.58 psf

WAITING ON FILES

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FIBERGLASS Molded Heavy Duty Grating Details HLC 1-1/2" Deep x 1" x 2" Rectangular Mesh

HLC 2" Deep x 1" x 2" Rectangular Mesh

# OF BARS/ FT OF WIDTH

LOAD BAR WIDTH

OPEN AREA

LOAD BAR CENTERS

APPROXIMATE WEIGHT

# OF BARS/ FT OF WIDTH

LOAD BAR WIDTH

OPEN AREA

LOAD BAR CENTERS

APPROXIMATE WEIGHT

12

0.43

48%

1"

6.2 psf

12

0.48

48%

1"

8.4 psf

Plan View

Plan View

WAITING ON FILES

WAITING ON FILES

COMING SOON

Allowable Spans for Vehicular Loads

WHEEL LOAD (LB) - 1/2 AXLE LOAD +30% IMPACT

LOAD DISTRIBUTION

PARALLEL TO AXLE1

PERPENDICULAR TO AXLE

ALLOWABLE SPAN2,3 1-1/2" DEEP HLC 2" DEEP HLC MOLDED GRATING MOLDED GRATING

AASHTO Standard Truck4 / 32,000lb Axle Load Dual Wheels(*formerly AASHTO H-20)

20,800

20" + 4"

8"

1' - 2"

1' - 5"

Automobile Traffic / 5,000 lb Vehicle 1,500 lb Load / 55% Drive Axle Load

2,200

8" + 4"

8"

2' - 2"

2' - 8"

5 ton Capacity Forklift / 14,400 lb Vehicle 24,400 lb Total Load / 85% Drive Axle Load

13,480

11" + 4"

11"

1' - 1"

1' - 5"

3 Ton Capacity Forklift / 9,800 lb Vehicle 15,800 lb Total Load / 85% Drive Axle Load

8,730

7" + 4"

7"

1' - 0"

1' - 4"

1 Ton Capacity Forklift / 4,200 lb Vehicle 6,200 lb Total Load / 85% Drive Axle Load

3,425

4" + 4"

4"

1' - 7"

2' - 1"

NOTES: 1. Load is carried by the grating load bars immediate under wheel + four additional load bars adjacent to wheel. 2. Allowable Span is based on a 0.25" maximum deflection and a Factor of Safety of 3.0. The other criteria may be required by certain construction codes. Check code requirements to determine design criteria. 3. ALLOWABLE SPAN IS STRONGLY DEPENDENT ON WHEEL WIDTH AND VEHICLE WEIGHT/LOAD CAPACITY. If your application varies from the values given on this table, contact Direct Metals Engineering for application assistance. 4. Load based on the AASHTO Standard Truck Load as defined in AASHTO LRFD Bridge Design Specifications, 2nd Ed. This does not imply that the allowable span meets the deflection requirments of this specification.

144" 4' x 12' Finished Panel Size Note: Load carrying bars are oriented across the narrow (12') dimension of the panel. Panels furnished with closed bars all sides.

48"

Molded High Load Capacity (HLC) grating has a 48% open surface area, 4' x 12' panel with depths of 1-1/2" & 2" and a smooth surface or a grit surface.

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FIBERGLASS Pultruded Grating Resin Systems Our ASTM E84 pultruded grating is available in two resin formulations for an accurate match of product characteristics with the application. Both resin systems provide corrosion resistance that is superior to that offered by metal grating. IFR-25 - This isophthalic polyester resin formulation provides a low flame spread rating of 25 or less and is designed for applications where there is moderate exposure to corrosive elements. VFR-25 - With a flame spread of 25 or less, this vinyl ester resin system provides dependable resistance to both acidic and alkaline environments.

RESIN IFR-25 & VFR-25 IFR-25 & VFR-25 IFR-25 & VFR-25 VFR-25

SERIES

STANDARD COLOR

T3810, T2510, T3815, T2515 T1210, T1215 I6010, I6015, I4010, I4015, T3320, T5020 H4710, H4715, H4720, H4725, H4730

YELLOW & DARK GRAY LIGHT GRAY YELLOW & DARK GRAY YELLOW & DARK GRAY

CLIP ASSEMBLIES FOR MOLDED GRATING We offer specially-designed attachments and clips, both to fasten panels together and to secure them to support structures. All types are made of Type 316 Stainless Steel and are available in 1", 1-1/2" and 2" sizes. Install clips a maximum of every 48" and use at least four clips per piece of grating (at least eight clips per 4' x 12' panel)

TYPE Z HOLD DOWN CLIPS:

TYPE F END PANEL CLIPS:

TYPE M HOLD DOWN CLIPS:

TYPE G HOLD DOWN CLIPS: Attach grating to any structural member flange, 3/4" or smaller in thickness, with no drilling required.

Provide a simplified method for joining factory edges of adjacent abutting panels. (Not for use with some resins)

Secure grating panels to support frames.

Secure panels to a support in the same manner as type J Clips, but designed to use two adjacent grating bars for a more secure fit. Similar in design to metal grating saddle clips.

Field cutting of one bar required

CLIP ASSEMBLIES FOR PULTRUDED GRATING We offer Hold Down Clip Assemblies for many pultruded grating types CLIP TYPE • P18 for 18% open area pultruded grating • P25 for 25% open area pultruded grating

SEALING KITS

To maintain corrosion resistance and structural integrity, we offer standard resin sealing kits for protecting the exposed ends of cut panels and other components.

• P33 for 33% open area pultruded grating • P40 for 40% open area pultruded grating • P50 for 50% open area pultruded grating • P60 for 60% open area pultruded grating

TYPE P

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EXPANDED METAL REGULAR EXPANDED METAL Regular Expanded Metal is a finished product as it comes from the press after having been die cut and expanded. Illustration shows that the strands and bonds form a sharp angle to the original plane of the solid sheet.

FLATTENED EXPANDED METAL Flattened Expanded Metal is regular expanded metal which has been cold rolled leaving a flat smooth surface.

SHEARING SIDE SHEARING The process of cutting a piece of expanded metal parallel to the long dimension of the diamond. Random Side Shearing - Side shearing is a cut made parallel to the LWD dimension of the sheet which usually leaves open diamonds. Flat expanded metal SWD shearing tolerance is plus or minus 1/8" when both sides are sheared. Bond Side Shearing - This cut is made along the length of the sheet on the center line of the bond over the specified width. In most cases it is not practical to attempt to Bond Side Shear either regular or flattened expanded metal because of camber.

END SHEARING 1/4" #20 Regular

1/4" #20 Flattened

The process of cutting a piece of expanded metal parallel to the short way of the diamond. End Random Shearing - The process of shearing a piece of expanded metal to a specified length (LWD). This cut normally leaves open diamonds at both ends but accomplishes close tolerance (plus or minus 1/8") when both ends of flat expanded metal are sheared.

1/2" #16 Regular

1/2" #16 Flattened

3/4" #13 Regular

3/4" #13 Flattened

End Bond Shearing - The process of shearing a piece of expanded metal to a specified length (LWD). A plus or minus 1/8" tolerance applies when both ends of flat expanded metal are sheared. One end is cut on the Bond parallel to the SWD, the other end usually has open diamonds. NOTE: When End Bond Shearing is requested for both ends of flat expanded metal, the sheet is sheared at the center line of the bond over the specified length. A tolerance minus 0 plus 1/2" diamond applies. It is possible to End Bond Shear, but extraordinary care must be exercised to maintain the squareness of the sheet.

SQUARENESS

1-1/2" #9 Regular

1-1/2" #9 Flattened

Patterns Shown Actual Size

SIDE BOND SHEARING

SIDE BOND SHEARING

SIDE RANDOM SHEARING

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SIDE RANDOM SHEARING

When all four sides of a sheet of expanded metal are sheared, the maximum tolerance will be plus or minus 1/16" per foot of width.

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EXPANDED METAL Regular Expanded Metal Style

Minimum Nominal Weight Design Opening Thickness in Lbs. per Size Size (inches)A 100 Sq. Ft.B (inches)C (inches)C



SWD

LWD

SWO

LWO

Strand Size (inches)

Overall No of Thickness Diamonds (inches) Per Ft.

Width Thickness

SWD

LWD

(%) Open Area

STANDARD - CARBON STEEL 1/4” - #20 1/4” - #18 1/2” - #20 1/2” - #18 1/2” - #16 1/2” - #13 3/4” - #16 3/4” - #13 3/4” - #10 3/4” - #9 1” - #16 1-1/2” - #18 1-1/2” - #16 1-1/2” - #13 1-1/2” - #10 1-1/2” - #9 1-1/2” - #6 2” - #10 2” - #9

.032 .042 .032 .042 .053 .083 .053 .083 .083 .127 .053 .042 .053 .083 .083 .127 .184 .083 .127

85 113 42 69 85 141 54 77 117 178 43 20 40 58 76 119 247 65 88

1/2” - #18 1/2” - #16 1/2” - #13 3/4” - #18 3/4” - #16 3/4” - #13 3/4” - #9 1-1/2” - #16 1-1/2” - #13 1-1/2” - #9

.044 .055 .085 .044 .055 .085 .128 .055 .085 .128

69 87 148 46 57 87 194 43 65 130

.250 .250 .500 .500 .500 .500 .923 .923 .923 .923 1.00 1.33 1.33 1.33 1.33 1.33 1.33 1.85 1.85

1.00 1.00 1.20 1.20 1.20 1.20 2.00 2.00 2.00 2.00 2.40 3.00 3.00 3.00 3.00 3.00 3.00 4.00 4.00

.157 .146 .407 .382 .372 .337 .783 .760 .718 .675 .872 1.229 1.184 1.160 1.132 1.087 .979 1.630 1.603

.718 .718 .938 .938 .938 .938 1.750 1.688 1.625 1.562 2.062 2.625 2.625 2.500 2.500 2.375 2.313 3.438 3.375

.072 .072 .072 .088 .087 .096 .101 .096 .144 .150 .087 .068 .108 .105 .138 .144 .203 .164 .149

.036 .048 .036 .048 .060 .090 .060 .090 .092 .134 .060 .048 .060 .090 .090 .134 .198 .090 .134

.146 .151 .146 .180 .183 .212 .208 .212 .300 .329 .183 .144 .221 .228 .288 .318 .452 .335 .327

48 48 24 24 24 24 13 13 13 13 12 9 9 9 9 9 9 6.5 6.5

12 12 10 10 10 10 6 6 6 6 5 4 4 4 4 4 4 3 3

42 42 71 65 65 62 78 79 69 67 83 90 84 84 79 78 69 82 84

.048 .060 .090 .048 .060 .090 .135 .060 .090 .135

.178 .183 .254 .212 .217 .232 .347 .234 .246 .338

24 24 24 13 13 13 13 9 9 9

10 10 10 6 6 6 6 4 4 4

65 65 60 77 77 77 65 83 83 77

.050 .080 .050 .080 .080 .125 .080 .125

.190 .208 .219 .268 .333 .359 .266 .346

24 24 13 13 13 13 9 9

10 10 8 6 6 6 4 4

63 62 76 72 64 63 81 76

STANDARD - STAINLESS STEEL .500 .500 .600 .923 .923 .923 .923 1.33 1.33 1.33

1.20 1.20 1.20 2.00 2.00 2.00 2.00 3.00 3.00 3.00

.383 .372 .418 .790 .779 .751 .666 1.179 1.152 1.077

.937 .937 .876 1.750 1.760 1.687 1.562 2.750 2.625 2.500

.087 .087 .119 .106 .106 .107 .160 .115 .115 .155

STANDARD - ALUMINUM 1/2” - .050 1/2” - .080 3/4” - .050 3/4” - .080(Lt.) 3/4” -.080(Hvy.) 3/4” - .125 1-1/2” - .080 1-1/2” - .125

.045 .074 .045 .074 .074 .118 .074 .118

26 43 17 31 40 64 22 43

.500 .500 .923 .923 .923 .923 1.33 1.33

1.20 1.20 2.00 2.00 2.00 2.00 3.00 3.00

.376 .346 .786 .741 .711 .667 1.149 1.080

.937 .937 1.750 1.680 1.680 1.680 2.500 2.500

.093 .096 .109 .129 .165 .169 .128 .162

A

The minimum thickness is absolute, not subject to minus variation. A variation in weight per square ft. of + or - 10% is permissible, based on the weight of any sheet or bundle. C A tolerance of + or - 10% is permitted in dimensions, center-to-center. B

1" Height

U-EDGING (Openings) Available in steel, stainless steel, aluminum and galvanized

42

.063" .125" .250"

.437"

.563"

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EXPANDED METAL

SWD

LWD

FLATTENED - CARBON STEEL 1/4” - #20 1/4” - #18 1/2” - #20 1/2” - #18 1/2” - #16 1/2” - #13 3/4” - #16 3/4” - #14 3/4” - #13 3/4” - #10 3/4” - #9 1” - #16 1-1/2” - #16 1-1/2” - #14 1-1/2” - #13 1-1/2” - #9

.026 .034 .026 .034 .043 .066 .043 .054 .066 .066 .101 .043 .043 .054 .066 .101

74 100 37 61 77 126 47 56 67 102 157 38 35 43 51 105

.250 .250 .500 .500 .500 .500 .923 .923 .923 .923 .923 1.000 1.330 1.330 1.330 1.330

1/2” - #18 1/2” - #16 1/2” - #13 3/4” - #18 3/4” - #16 3/4” - #13 3/4” - #9 1-1/2” - #16 1-1/2” - #13 1-1/2” - #9

.037 .047 .072 .037 .047 .072 .108 .047 .072 .108

66 84 168 43 54 83 170 41 62 132

.500 .500 .500 .923 .923 .923 .923 1.33 1.33 1.33

1/2” - .050 1/2” - .080 3/4” - .050 3/4” - .080(Lt.) 3/4” -.080(Hvy.) 3/4” - .125 1-1/2” - .080 1-1/2” - .125

.034 .056 .034 .056 .056 .089 .056 .089

22 35 14 26 33 53 18 36

.500 .500 .923 .923 .923 .923 1.33 1.33

1.05 1.05 1.26 1.26 1.26 1.26 2.10 2.10 2.10 2.10 2.10 2.52 3.15 3.15 3.15 3.15

.092 .090 .342 .306 .304 .286 .701 .713 .711 .603 .593 .804 1.092 1.098 1.098 1.104

.715 .715 1.000 1.000 1.000 1.000 1.750 1.760 1.781 1.755 1.688 2.250 2.750 2.750 2.750 2.563

.079 .080 .079 .097 .098 .107 .111 .105 .106 .160 .165 .098 .119 .116 .116 .158

.029 .038 .029 .038 .048 .072 .048 .060 .072 .072 .108 .048 .048 .060 .072 .108

.029 .038 .029 .038 .048 .072 .048 .060 .072 .072 .108 .048 .048 .060 .072 .108

48 48 24 24 24 24 13 13 13 13 13 12 9 9 9 9

11.6 11.6 9.5 9.6 9.5 9.5 5.7 5.7 5.7 5.7 5.7 4.684 3.75 3.75 3.76 3.75

37 36 68 61 61 57 76 77 77 65 64 80 82 83 83 76

.041 .051 .076 .041 .051 .076 .114 .051 .076 .114

.041 .051 .076 .041 .051 .076 .114 .051 .076 .114

24 24 24 13 13 13 13 9 9 9

9.5 9.5 9.5 5.7 5.7 5.7 5.7 3.8 3.8 3.8

61 60 47 74 74 74 64 81 80 72

.038 .060 .038 .060 .060 .094 .060 .094

.038 .060 .038 .060 .060 .094 .060 .094

24 24 13 13 13 13 9 9

9.5 9.5 5.66 5.66 5.66 5.66 3.8 3.8

58 58 74 69 61 59 78 73

FLATTENED - STAINLESS STEEL 1.26 1.26 1.26 2.10 2.10 2.10 2.10 3.15 3.15 3.15

.304 .302 .236 .687 .687 .683 .593 1.074 1.070 .960

1.000 1.000 .915 1.812 1.812 1.750 1.687 2.750 2.625 2.625

.098 .099 .132 .118 .118 .120 .165 .128 .130 .185

FLATTENED - ALUMINUM

Style

Nominal Weight in Lbs. per 100 Sq. Ft.A

1.26 1.26 2.10 2.10 2.10 2.10 3.15 3.15

Design Size (inches)B SWD

LWD

.292 .290 .679 .637 .561 .549 1.044 .968

1.000 1.000 1.812 1.750 1.750 1.750 2.750 2.750

Opening Size (inches)B SWO

LWO

.104 .105 .122 .143 .181 .187 .143 .181

Strand Size (inches)

Overall Thickness (inches)

Width Thickness

No of Diamonds Per Ft. SWD

LWD

(%) Open Area

GRATING - CARBON STEEL 2.0 lb. 3.0 lb. 3.14 lb. 4.00 lb. 4.27 lb. 5.00 lb. 6.25 lb. 7.00 lb.

2.00 3.00 3.14 4.00 4.27 5.00 6.25 7.00

1.33 1.33 2.00 1.33 1.41 1.33 1.41 1.41

3.30 lb. 4.50 lb.

3.32 4.25

2.00 1.41

2.00 lb.

2.00

1.33

5.33 5.33 6.00 5.33 4.00 5.33 5.33 5.33

1.000 .940 1.625 .940 1.000 .813 .813 .813

3.60 3.44 4.88 3.44 2.88 3.38 3.38 3.38

.235 .264 .312 .300 .300 .331 .350 .391

.135 .183 .250 .215 .250 .250 .312 .318

.460 .540 .656 .618 .625 .655 .715 .740

9 9 6 9 8.5 9 8.5 8.5

2.25 2.25 2.00 2.25 3.00 2.25 2.25 2.25

77 60 69 55 58 50 50 45

.250 .250

.656 .625

6 8.5

2.00 3.00

69 58

.250

.730

9

2.25

48

GRATING - STAINLESS STEEL 6.00 4.00

1.625 1.000

4.88 2.88

.312 .300

GRATING - ALUMINUM 5.33

.940

3.44

.387

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A tolerance of + or - 5% is permitted in dimensions, center-to-center.

Width Thickness

B

LWO

B

SWO

(%) Open Area

A

LWD

Overall No of Thickness Diamonds (inches) Per Ft.

A variation in weight per square ft. of + or - 5% is permissible, based on the weight of any sheet or bundle.

SWD

Strand Size (inches)

A

Style

Minimum Nominal Weight Design Opening Thickness in Lbs. per Size Size (inches)A 100 Sq. Ft.B (inches)C (inches)C

The minimum thickness is absolute, not subject to minus variation. A variation in weight per square ft. of + or - 10% is permissible, based on the weight of any sheet or bundle. C A tolerance of + or - 10% is permitted in dimensions, center-to-center.

Flattened Expanded Metal & Grating

43

WIRE CLOTH

Terminology CALENDERING - A rolling operation which flattens the knuckles of wire cloth giving it a smoother surface.

Approx. Diameter Gauge & Inches Wire No.

Washburn & Moen Wire Gauge

Approx. Diameter Decimal

CRIMP - Undulations in warp and fill wires which hold each other in place. FILL WIRE - aka SHUTE WIRE, wire running across the width of the cloth. FILTER CLOTH - Cloth used for flattening or straining (primarily plain and twilled dutch wire cloth and certain specifications of square mesh and off-count standard wire cloth).

2 MESH WIRE CLOTH (count from center to center of wires)

HARDWARE CLOTH - Plain weave square mesh cloth of relatively light wire galvanized after weaving (usually between 2 to 8 openings per lineal inch). MARKET GRADE - Applies to wire cloth specifications most commonly used for general work. Market grade cloth is made of one size wire for each size closed mesh. MESH - Number of openings per lineal inch, measured from center of wire to center of wire. MICRON - 1/1000 millimeter, 0.00003937 inch. The unit of measure for particle retention of filter media.

1/2 INCH OPENING WIRE CLOTH (clear space between wires) PLAIN WEAVE Wires are crimped in a zig-zag fashion with wires intersecting at every available crimp or pocket.

OIL TEMPERED WIRE - High carbon steel wire that is heat resistant to produce good strength and abrasion resistance. OPENING - Dimension between parallel adjacent wires. RECTANGULAR MESH - Wire cloth with different warp and fill wire mesh counts which results in rectangular openings. The most common have a higher warp mesh than filter mesh. Advantages are increased open area and reduced cost. SELVAGE - The finished edges of wire cloth running the length of the roll which are produced by the weaving operation. SPACE CLOTH - Wire cloth specified by the opening size rather than by the mesh count.

INTERCRIMP Wires are crimped in a zig-zag fashion with intersections at every 3rd, 5th or 7th, etc., crimp or pocket.

LOCK CRIMP Distinct crimp or pocket at wire intersection with straight connecting sections of wire.

SQUARE MESH - Mesh with equal spacing of warp and shute to give square openings. WARP WIRE - Foundation wires running parallel to the length of the cloth. WEAVES - Pattern in which wires are interwoven.

FLAT TOP Top surface of wires all lie in same plane. Irregular crimped surface on underside.

WIRE DIAMETER OR GAUGE - Diameter of wire used in weaving cloth.

44

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WIRE CLOTH

Used in all kinds of filters, chemical, rubber and plastic products as well as automobile, decoration, building construction, etc.

Stainless Steel Filters in many configurations available.

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45

WIRE CLOTH PVC Wire Mesh

• PVC coated mesh for industrial, cage and marine applications • Coating on welded wire can handle intensive use without stripping or peeling • Protective PVC coating makes PVC wire last many years longer than an uncoated wire • Stocked colors are black, yellow, gray and custom colors are available

46

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WIRE CLOTH Square Mesh Wire Cloth Specifications

1 MESH .063" GALVANIZED WELDED

2 MESH .041" GALVANIZED WELDED

2 MESH .063" GALVANIZED WELDED

4 MESH .025" GALVANIZED WELDED

2 MESH .041" PVC WELDED

2 MESH .120" SS WOVEN

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47

WIRE CLOTH Square Mesh Wire Cloth Specifications

48

4 MESH .047" SS WOVEN

6 MESH .035" SS WOVEN

6 MESH .063" SS WOVEN

8 MESH .028" SS WOVEN

8 MESH .035" SS WOVEN

10 MESH .025" SS WOVEN

10 MESH .035" SS WOVEN

12 MESH .028" SS WOVEN

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WIRE CLOTH Square Mesh Wire Cloth Specifications

2" Opening .162 CS Lock Crimp

1-1/2" Opening .135 CS Intercrimp

4" Opening - .250 CS Intercrimp

1" Opening .250 CS Lock Crimp

2" Opening .375 CS Lock Crimp

3"­Opening - .250 CS Lock Crimp

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49

WIRE CLOTH Square Mesh Wire Cloth Standards SPECIFICATIONS

50

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WIRE CLOTH SPACE SCREEN STANDARD SPECIFICATIONS Clear Diameter Steel Opening of Rod Weight of Space or Wire Pounds Open Inch Inch Per Sq. Ft. Area 4 1.000 13.06 64.0% 4 0.750 7.68 70.9% 4 0.688 6.53 72.8% 4 0.625 5.46 74.8% 4 0.563 4.47 76.9% 4 0.500 3.58 79.0% 4 0.438 2.77 81.3% 4 0.375 2.07 83.6% 4 0.313 1.45 86.0% 4 0.283 1.20 87.2% 4 0.263 1.04 88.0% 4 0.250 0.94 88.6% 3-3/4 1.000 13.77 62.3% 3-3/4 0.750 8.11 69.4% 3-3/4 0.688 6.90 71.4% 3-3/4 0.625 5.77 73.5% 3-3/4 0.563 4.74 75.7% 3-3/4 0.500 3.79 77.9% 3-3/4 0.438 2.94 80.2% 3-3/4 0.375 2.19 82.6% 3-3/4 0.313 1.54 85.2% 3-3/4 0.283 1.27 86.5% 3-3/4 0.263 1.11 87.3% 3-3/4 0.250 1.00 87.9% 3-1/2 1.000 14.57 60.5% 3-1/2 0.750 8.60 67.8% 3-1/2 0.688 7.32 69.9% 3-1/2 0.625 6.13 72.0% 3-1/2 0.563 5.03 74.3% 3-1/2 0.500 4.03 76.6% 3-1/2 0.438 3.13 79.0% 3-1/2 0.375 2.33 81.6% 3-1/2 0.313 1.65 84.3% 3-1/2 0.283 1.36 85.6% 3-1/2 0.263 1.18 86.5% 3-1/2 0.250 1.07 87.1% 3-1/2 0.225 0.87 88.3% 3-1/2 0.207 0.74 89.1% 3-1/4 1.000 15.47 58.5% 3-1/4 0.750 9.16 66.0% 3-1/4 0.688 7.80 68.1% 3-1/4 0.625 6.54 70.3% 3-1/4 0.563 5.37 72.6% 3-1/4 0.500 4.31 75.0% 3-1/4 0.438 3.35 77.6% 3-1/4 0.375 2.50 80.4% 3-1/4 0.313 1.76 83.2% 3-1/4 0.283 1.46 84.6% 3-1/4 0.263 1.26 85.6% 3-1/4 0.250 1.15 86.2% 3-1/4 0.225 0.93 87.5% 3-1/4 0.207 0.79 88.4% 3-1/4 0.192 0.69 89.2% 3 1.000 16.50 56.3% 3 0.750 9.79 64.0% 3 0.688 8.35 66.2% 3 0.625 7.00 68.5% 3 0.563 5.76 70.9% 3 0.500 4.62 73.5% 3 0.438 3.59 76.2% 3 0.375 2.68 79.0% 3 0.313 1.90 82.0% 3 0.283 1.57 83.5% 3 0.263 1.36 84.5% 3 0.250 1.23 85.2% 3 0.225 1.01 86.5% 3 0.207 0.86 87.5% 3 0.192 0.74 88.3% 3 0.177 0.63 89.2% 3 0.162 0.53 90.0% 2-3/4 1.000 17.67 53.7% 2-3/4 0.750 10.52 61.7% 2-3/4 0.688 8.98 64.0% 2-3/4 0.625 7.54 66.4% 2-3/4 0.563 6.20 68.9% 2-3/4 0.500 4.98 71.6% 2-3/4 0.438 3.88 74.4% 2-3/4 0.375 2.90 77.4% 2-3/4 0.313 2.05 80.6% 2-3/4 0.283 1.70 82.2% 2-3/4 0.263 1.48 83.3% 2-3/4 0.250 1.34 84.0% 2-3/4 0.225 1.09 85.4% 2-3/4 0.207 0.93 86.5% 2-3/4 0.192 0.80 87.4% 2-3/4 0.177 0.69 88.3% 2-3/4 0.162 0.58 89.2% 2-3/4 0.148 0.48 90.0%

800.711.4939

Clear Diameter Steel Opening of Rod Weight of Space or Wire Pounds Open Inch Inch Per Sq. Ft. Area 2-1/2 1.000 19.02 51.0% 2-1/2 0.750 11.37 59.2% 2-1/2 0.688 9.71 61.5% 2-1/2 0.625 8.16 64.0% 2-1/2 0.563 6.72 66.6% 2-1/2 0.500 5.41 69.4% 2-1/2 0.438 4.22 72.4% 2-1/2 0.375 3.16 75.6% 2-1/2 0.313 2.24 79.0% 2-1/2 0.283 1.85 80.7% 2-1/2 0.263 1.61 81.9% 2-1/2 0.250 1.46 82.6% 2-1/2 0.225 1.19 84.2% 2-1/2 0.207 1.02 85.3% 2-1/2 0.192 0.88 86.2% 2-1/2 0.177 0.75 87.2% 2-1/2 0.162 0.63 88.2% 2-1/2 0.148 0.53 89.1% 2-1/4 1.000 20.61 47.9% 2-1/4 0.750 12.37 56.2% 2-1/4 0.688 10.58 58.7% 2-1/4 0.625 8.90 61.2% 2-1/4 0.563 7.34 64.0% 2-1/4 0.500 5.91 66.9% 2-1/4 0.438 4.62 70.1% 2-1/4 0.375 3.46 73.4% 2-1/4 0.313 2.46 77.1% 2-1/4 0.283 2.04 78.9% 2-1/4 0.263 1.77 80.2% 2-1/4 0.250 1.61 81.0% 2-1/4 0.225 1.31 82.6% 2-1/4 0.207 1.12 83.9% 2-1/4 0.192 0.97 84.9% 2-1/4 0.177 0.83 85.9% 2-1/4 0.162 0.70 87.0% 2-1/4 0.148 0.59 88.0% 2-1/4 0.135 0.49 89.0% 2 1.000 22.49 44.4% 2 0.750 13.57 52.9% 2 0.688 11.62 55.4% 2 0.625 9.79 58.0% 2 0.563 8.09 60.9% 2 0.500 6.53 64.0% 2 0.438 5.11 67.3% 2 0.375 3.84 70.9% 2 0.313 2.73 74.8% 2 0.283 2.26 76.7% 2 0.263 1.97 78.1% 2 0.250 1.79 79.0% 2 0.225 1.46 80.8% 2 0.207 1.25 82.1% 2 0.192 1.08 83.2% 2 0.177 0.92 84.4% 2 0.162 0.78 85.6% 2 0.148 0.65 86.7% 2 0.135 0.55 87.8% 2 0.120 0.44 89.0% 1-3/4 1.000 24.76 40.5% 1-3/4 0.750 15.03 49.0% 1-3/4 0.688 12.90 51.6% 1-3/4 0.625 10.88 54.3% 1-3/4 0.563 9.01 57.3% 1-3/4 0.500 7.29 60.5% 1-3/4 0.438 5.71 64.0% 1-3/4 0.375 4.30 67.8% 1-3/4 0.313 3.07 71.9% 1-3/4 0.283 2.55 74.1% 1-3/4 0.263 2.22 75.6% 1-3/4 0.250 2.02 76.6% 1-3/4 0.225 1.65 78.5% 1-3/4 0.207 1.41 80.0% 1-3/4 0.192 1.22 81.2% 1-3/4 0.177 1.04 82.5% 1-3/4 0.162 0.88 83.8% 1-3/4 0.148 0.74 85.0% 1-3/4 0.135 0.62 86.2% 1-3/4 0.120 0.49 87.6% 1-1/2 1.000 27.57 36.0% 1-1/2 0.750 16.86 44.4% 1-1/2 0.688 14.50 47.0% 1-1/2 0.625 12.27 49.8% 1-1/2 0.563 10.18 52.8% 1-1/2 0.500 8.25 56.3% 1-1/2 0.438 6.48 59.9% 1-1/2 0.375 4.90 64.0% 1-1/2 0.313 3.50 68.5% 1-1/2 0.283 2.91 70.8% 1-1/2 0.263 2.54 72.4% 1-1/2 0.250 2.31 73.4% 1-1/2 0.225 1.89 75.6%

Clear Diameter Steel Opening of Rod Weight of Space or Wire Pounds Open Inch Inch Per Sq. Ft. Area 1-1/2 0.207 1.62 77.2% 1-1/2 0.192 1.40 78.6% 1-1/2 0.177 1.20 80.0% 1-1/2 0.162 1.02 81.5% 1-1/2 0.148 0.85 82.8% 1-1/2 0.135 0.72 84.2% 1-1/2 0.120 0.57 85.7% 1-3/8 0.750 17.97 41.9% 1-3/8 0.688 15.47 44.4% 1-3/8 0.625 13.10 47.3% 1-3/8 0.563 10.88 50.4% 1-3/8 0.500 8.83 53.8% 1-3/8 0.438 6.95 57.6% 1-3/8 0.375 5.26 61.7% 1-3/8 0.313 3.77 66.4% 1-3/8 0.283 3.14 68.8% 1-3/8 0.263 2.74 70.5% 1-3/8 0.250 2.49 71.6% 1-3/8 0.225 2.04 73.9% 1-3/8 0.207 1.75 75.6% 1-3/8 0.192 1.52 77.0% 1-3/8 0.177 1.30 78.5% 1-3/8 0.162 1.10 80.0% 1-3/8 0.148 0.92 81.5% 1-3/8 0.135 0.78 82.9% 1-3/8 0.120 0.62 84.6% 1-1/4 0.750 19.22 39.1% 1-1/4 0.688 16.57 41.6% 1-1/4 0.625 14.06 44.4% 1-1/4 0.563 11.70 47.5% 1-1/4 0.500 9.51 51.0% 1-1/4 0.438 7.50 54.8% 1-1/4 0.375 5.69 59.2% 1-1/4 0.313 4.08 64.0% 1-1/4 0.283 3.40 66.5% 1-1/4 0.263 2.97 68.3% 1-1/4 0.250 2.70 69.4% 1-1/4 0.225 2.22 71.8% 1-1/4 0.207 1.90 73.6% 1-1/4 0.192 1.65 75.1% 1-1/4 0.177 1.42 76.7% 1-1/4 0.162 1.20 78.4% 1-1/4 0.148 1.01 79.9% 1-1/4 0.135 0.85 81.5% 1-1/4 0.120 0.68 83.2% 1-1/4 0.105 0.52 85.1% 1-1/8 0.750 20.68 36.0% 1-1/8 0.688 17.86 38.5% 1-1/8 0.625 15.17 41.3% 1-1/8 0.563 12.65 44.4% 1-1/8 0.500 10.30 47.9% 1-1/8 0.438 8.14 51.8% 1-1/8 0.375 6.19 56.3% 1-1/8 0.313 4.45 61.2% 1-1/8 0.283 3.71 63.8% 1-1/8 0.263 3.25 65.7% 1-1/8 0.250 2.96 66.9% 1-1/8 0.225 2.43 69.4% 1-1/8 0.207 2.08 71.3% 1-1/8 0.192 1.81 73.0% 1-1/8 0.177 1.55 74.7% 1-1/8 0.162 1.32 76.4% 1-1/8 0.148 1.11 78.1% 1-1/8 0.135 0.93 79.7% 1-1/8 0.120 0.74 81.7% 1-1/8 0.105 0.58 83.7% 1-1/8 0.092 0.45 85.5% 1 0.750 22.38 32.6% 1 0.688 19.37 35.1% 1 0.625 16.49 37.9% 1 0.563 13.78 41.0% 1 0.500 11.25 44.4% 1 0.438 8.91 48.4% 1 0.375 6.79 52.9% 1 0.313 4.90 58.0% 1 0.283 4.09 60.8% 1 0.263 3.58 62.7% 1 0.250 3.26 64.0% 1 0.225 2.69 66.6% 1 0.207 2.31 68.6% 1 0.192 2.01 70.4% 1 0.177 1.72 72.2% 1 0.162 1.46 74.0% 1 0.148 1.23 75.9% 1 0.135 1.04 77.6% 1 0.120 0.83 79.7% 1 0.105 0.64 81.9% 1 0.092 0.50 83.9% 1 0.080 0.38 85.7%

Clear Diameter Steel Opening of Rod Weight of Space or Wire Pounds Inch Inch Per Sq. Ft. 7/8 0.625 18.06 7/8 0.563 15.13 7/8 0.500 12.38 7/8 0.438 9.84 7/8 0.375 7.52 7/8 0.313 5.44 7/8 0.283 4.55 7/8 0.263 3.99 7/8 0.250 3.64 7/8 0.225 3.01 7/8 0.207 2.58 7/8 0.192 2.25 7/8 0.177 1.93 7/8 0.162 1.64 7/8 0.148 1.38 7/8 0.135 1.17 7/8 0.120 0.93 7/8 0.105 0.72 7/8 0.092 0.56 7/8 0.080 0.43 3/4 0.625 19.98 3/4 0.563 16.79 3/4 0.500 13.79 3/4 0.438 11.00 3/4 0.375 8.44 3/4 0.313 6.13 3/4 0.283 5.15 3/4 0.263 4.52 3/4 0.250 4.12 3/4 0.225 3.41 3/4 0.207 2.93 3/4 0.192 2.56 3/4 0.177 2.20 3/4 0.162 1.87 3/4 0.148 1.58 3/4 0.135 1.33 3/4 0.120 1.07 3/4 0.105 0.83 3/4 0.092 0.65 3/4 0.080 0.50 5/8 0.563 18.87 5/8 0.500 15.57 5/8 0.438 12.47 5/8 0.375 9.61 5/8 0.313 7.03 5/8 0.283 5.91 5/8 0.263 5.20 5/8 0.250 4.76 5/8 0.225 3.94 5/8 0.207 3.40 5/8 0.192 2.97 5/8 0.177 2.58 5/8 0.162 2.18 5/8 0.148 1.85 5/8 0.135 1.56 5/8 0.120 1.25 5/8 0.105 0.98 5/8 0.092 0.76 5/8 0.080 0.58 5/8 0.072 0.48 5/8 0.063 0.37 1/2 0.500 16.96 1/2 0.438 14.42 1/2 0.375 11.19 1/2 0.313 8.24 1/2 0.283 6.96 1/2 0.263 6.14 1/2 0.250 5.62 1/2 0.225 4.68 1/2 0.207 4.04 1/2 0.192 3.54 1/2 0.177 3.06 1/2 0.162 2.61 1/2 0.148 2.22 1/2 0.135 1.88 1/2 0.120 1.51 1/2 0.105 1.18 1/2 0.092 0.93 1/2 0.080 0.71 1/2 0.072 0.58 1/2 0.063 0.45 7/16 0.438 15.40 7/16 0.375 12.20 7/16 0.313 9.03 7/16 0.283 7.64 7/16 0.263 6.75 7/16 0.250 6.19 7/16 0.225 5.16 7/16 0.207 4.47

Open Area 34.0% 37.0% 40.5% 44.4% 49.0% 54.3% 57.1% 59.1% 60.5% 63.3% 65.3% 67.2% 69.2% 71.2% 73.5% 75.1% 77.3% 79.7% 81.9% 83.9% 29.7% 32.6% 36.0% 39.9% 44.4% 49.8% 52.7% 54.8% 56.3% 59.2% 61.4% 63.4% 65.5% 67.6% 69.8% 71.8% 74.3% 76.9% 79.3% 81.7% 27.7% 30.9% 34.6% 39.1% 44.4% 47.4% 49.5% 51.0% 54.0% 56.4% 58.5% 60.7% 63.1% 65.4% 67.6% 70.3% 73.4% 76.0% 78.6% 80.4% 82.5% 25.0% 28.4% 32.7% 37.9% 40.8% 42.9% 44.4% 47.5% 49.8% 52.2% 54.5% 57.1% 59.5% 62.0% 65.0% 68.3% 71.3% 74.3% 76.4% 78.9% 25.0% 29.0% 34.0% 36.9% 39.0% 40.5% 43.6% 46.0%

Clear Diameter Steel Opening of Rod Weight of Space or Wire Pounds Inch Inch Per Sq. Ft. 7/16 0.192 3.92 7/16 0.177 3.40 7/16 0.162 2.90 7/16 0.148 2.47 7/16 0.135 2.09 7/16 0.120 1.69 7/16 0.105 1.33 7/16 0.092 1.04 7/16 0.080 0.80 7/16 0.072 0.66 7/16 0.063 0.51 3/8 0.375 13.20 3/8 0.313 9.99 3/8 0.283 8.48 3/8 0.263 7.51 3/8 0.250 6.89 3/8 0.225 5.77 3/8 0.207 5.00 3/8 0.192 4.39 3/8 0.177 3.82 3/8 0.162 3.27 3/8 0.148 2.79 3/8 0.135 2.37 3/8 0.120 1.92 3/8 0.105 1.51 3/8 0.092 1.18 3/8 0.080 0.91 3/8 0.072 0.75 3/8 0.063 0.59 3/8 0.054 0.44 5/16 0.263 8.46 5/16 0.250 7.78 5/16 0.225 6.53 5/16 0.207 5.68 5/16 0.192 5.00 5/16 0.177 4.36 5/16 0.162 3.74 5/16 0.148 3.20 5/16 0.135 2.72 5/16 0.120 2.21 5/16 0.105 1.74 5/16 0.092 1.37 5/16 0.080 1.07 5/16 0.072 0.88 5/16 0.063 0.69 5/16 0.054 0.51 1/4 0.250 8.95 1/4 0.225 7.55 1/4 0.207 6.59 1/4 0.192 5.82 1/4 0.177 5.08 1/4 0.162 4.38 1/4 0.148 3.76 1/4 0.135 3.21 1/4 0.120 2.62 1/4 0.105 2.07 1/4 0.092 1.64 1/4 0.080 1.28 1/4 0.072 1.06 1/4 0.063 0.83 1/4 0.054 0.62 1/4 0.047 0.48 3/16 0.192 6.97 3/16 0.177 6.12 3/16 0.162 5.30 3/16 0.148 4.57 3/16 0.135 3.92 3/16 0.120 3.22 3/16 0.105 2.56 3/16 0.092 2.04 3/16 0.080 1.60 3/16 0.072 1.33 3/16 0.063 1.05 3/16 0.054 0.79 3/16 0.047 0.62 3/16 0.041 0.48 1/8 0.135 4.98 1/8 0.120 4.19 1/8 0.105 3.37 1/8 0.092 2.71 1/8 0.080 2.15 1/8 0.072 1.79 1/8 0.063 1.43 1/8 0.054 1.09 1/8 0.047 0.85 1/8 0.041 0.67 1/8 0.035 0.50 1/8 0.032 0.43

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Open Area 48.3% 50.7% 53.2% 55.8% 58.4% 61.5% 65.0% 68.3% 71.5% 73.7% 76.4% 25.0% 29.7% 32.5% 34.5% 36.0% 39.0% 41.5% 43.8% 46.1% 48.7% 51.4% 54.1% 57.4% 61.0% 64.5% 67.9% 70.4% 73.3% 76.4% 29.5% 30.9% 33.8% 36.2% 38.4% 40.8% 43.4% 46.0% 48.8% 52.2% 56.0% 59.6% 63.4% 66.1% 69.3% 72.7% 25.0% 27.7% 29.9% 32.0% 34.3% 36.8% 39.4% 42.2% 45.6% 49.6% 53.4% 57.4% 60.3% 63.8% 67.6% 70.9% 24.4% 26.5% 28.8% 31.3% 33.8% 37.2% 41.1% 45.1% 49.1% 52.2% 56.0% 60.3% 63.9% 67.3% 23.1% 26.0% 29.5% 33.2% 37.2% 40.3% 44.2% 48.8% 52.8% 56.7% 61.0% 63.4%

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Direct Metals Company, LLC

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DIRECT METALS COMPANY, LLC

CORPORATE HEADQUARTERS 3775 Cobb International Blvd. Kennesaw, GA 30152-4390 Toll Free: 800.711.4939 Phone: 770.528.9001 Fax: 770.528.9002 [email protected] www.directmetals.com

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NOW SERVING YOU FROM A NEW LARGER LOCATION! Toll Free: 800.711.4939 3380 Grand Avenue Waukegan, IL 60085

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800.711.4939